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features ?5v 10% for read, erase and write operation ? 131072x8/ 65536x16 switchable ? fast access time:55/70/90/120ns ? low power consumption - 40ma maximum active current(5mhz) - 1 ua typical standby current ? command register architecture - byte/ word programming (7us/ 12us typical) - erase (16k-bytex1, 8k-bytex2, 32k-bytex1, and 64k-byte x1) ? auto erase (chip) and auto program - automatically erase any combination of sectors or with erase suspend capability. - automatically program and verify data at specified address ? status reply - data polling & toggle bit for detection of program and erase cycle completion. ? compatibility with jedec standard - pinout and software compatible with single-power supply flash - superior inadvertent write protection ? sector protection - hardware method to disable any combination of sectors from program or erase operations - sector protect/unprotect for 5v only system or 5v/ 12v system ? 100,000 minimum erase/program cycles ? latch-up protected to 100ma from -1 to vcc+1v ? boot code sector architecture - t = top boot sector - b = bottom boot sector ? low vcc write inhibit is equal to or less than 3.2v ? package type: - 44-pin sop - 48-pin tsop ? ready/busy pin(ry/by) - provides a hardware method or detecting program or erase cycle completion ? erase suspend/ erase resume - suspend an erase operation to read data from, or program data to a sector that is not being erased, then resume the erase operation. ? hardware reset pin - hardware method of resetting the device to reading the device to reading array data. ? 20 years data retention general description the mx29f100t/b is a 1-mega bit flash memory organized as 131,072 bytes or 65,536 words. mxic's flash memories offer the most cost-effective and reliable read/write non-volatile random access memory. the mx29f100t/b is packaged in 44-pin sop and 48-pin tsop. it is designed to be repro- grammed and erased in-system or in-standard eprom programmers. the standard mx29f100t/b offers access time as fast as 55ns, allowing operation of high-speed micro- processors without wait states. to eliminate bus contention, the mx29f100t/b has separate chip enable (ce) and output enable (oe) controls. mxic's flash memories augment eprom function- ality with in-circuit electrical erasure and programming. the mx29f100t/b uses a command register to manage this functionality. the command register allows for 100% ttl level control inputs and fixed power supply levels during erase and programming, while maintaining maximum eprom compatibility. mxic flash technology reliably stores memory con- tents even after 100,000 erase and program cycles. the mxic cell is designed to optimize the erase and programming mechanisms. in addition, the combi- nation of advanced tunnel oxide processing and low internal electric fields for erase and programming operations produces reliable cycling. the mx29f100t/b uses a 5.0v 10% vcc supply to perform the high reliability erase and auto program/erase algorithms. the highest degree of latch-up protection is achieved with mxic's proprietary non-epi process. latch-up protection is proved for stresses up to 100 milliamps on address and data pin from -1v to vcc + 1v. mx29f100t/b 1m-bit [128kx8/64kx16] cmos flash memory 1 p/n:pm0548 rev. 1.2, nov. 12, 2001
2 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 pin configurations 44sop(500mil) (normal type) 48 tsop(type i) (12mm x 20mm) pin description: symbol pin name a0-a15 address input q0-q14 data input/output q15/a-1 q15(word mode)/lsb addr.(byte mode) ce chip enable input oe output enable input reset hardware reset pin, active low we write enable input ry/by ready/busy output byte word/byte selection input vcc power supply pin (+5v) gnd ground pin nc pin not connected internally 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 nc ry/by nc a7 a6 a5 a4 a3 a2 a1 a0 ce gnd oe q0 q8 q1 q9 q2 q10 q3 q11 reset we a8 a9 a10 a11 a12 a13 a14 a15 nc byte gnd q15/a-1 q7 q14 q6 q13 q5 q12 q4 vcc mx29f100t/b a15 a14 a13 a12 a11 a10 a9 a8 nc nc we reset nc nc ry/by nc nc a7 a6 a5 a4 a3 a2 a1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 nc byte gnd q15/a-1 q7 q14 q6 q13 q5 q12 q4 vcc q11 q3 q10 q2 q9 q1 q8 q0 oe gnd ce a0 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 mx29f100t/b
3 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector structure mx29f100t top boot sector addresses tables a15 a14 a13 a12 (x8)address range (x16) address range sa0 0 x x x 00000h-0ffffh 64kb 00000h-07fffh 32kw sa1 1 0 x x 10000h-17fffh 32kb 08000h-0bfffh 16kw sa2 1 1 0 0 18000h-19fffh 8kb 0c000h-0cfffh 4kw sa3 1 1 0 1 1a000h-1bfffh 8kb 0d000h-0dfffh 4kw sa4 1 1 1 x 1c000h-1ffffh 16kb 0e000h-0ffffh 8kw mx29f100b bottom boot sector addresses tables a15 a14 a13 a12 (x8)address range (x16) address range sa0 0 0 0 x 00000h-03fffh 16kb 00000h-01fffh 8kw sa1 0 0 1 0 04000h-05fffh 8kb 02000h-02fffh 4kw sa2 0 0 1 1 06000h-07fffh 8kb 03000h-03fffh 4kw sa3 0 1 x x 08000h-0ffffh 32kb 04000h-07fffh 16kw sa4 1 x x x 10000h-1ffffh 64kb 08000h-0ffffh 32kw
4 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector diagram control input logic program/erase high voltage write s tat e machine (wsm) s tat e register mx29f100t/b flash array x-decoder address latch and buffer y-pass gate y-decoder array source hv command data decoder command data latch i/o buffer pgm data hv program data latch sense amplifier a-1/q15 q0~q14 a0-a15 ce oe we
5 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 mxic's automatic erase algorithm requires the user to write commands to the command register using stand- ard microprocessor write timings. the device will automatically pre-program and verify the entire array. then the device automatically times the erase pulse width, verifies the erase and counts the number of sequences. a status bit toggling between consecutive read cycles provides feedback to the user as to the status of the programming operation. register contents serve as inputs to an internal state- machine which controls the erase and programming circuitry. during write cycles, the command register internally latches address and data needed for the programming and erase operations. during a system write cycle, addresses are latched on the falling edge, and data are latched on the rising edge of we. mxic's flash technology combines years of eprom experience to produce the highest levels of quality, relia- bility, and cost effectiveness. the mx29f100t/b electri- cally erases all bits simultaneously using fowler-nord- heim tunneling. the bytes are programmed by using the eprom programming mechanism of hot electron injection. during a program cycle, the state-machine will control the program sequences and command register will not re- spond to any command set. during a sector erase cycle, the command register will only respond to erase sus- pend command. after erase suspend is complete, the device stays in read mode. after the state machine has completed its task, it will allow the command register to respond to its full command set. automatic programming the mx29f100t/b is byte/ word programmable using the automatic programming algorithm. the automatic programming algorithm does not require the system to time out sequence or verify the data programmed. the typical chip programming time of the mx29f100t/b at room temperature is less than 3.5 seconds. automatic chip erase the entire chip is bulk erased using 10 ms erase pulses according to mxic's automatic chip erase algorithm. typical erasure at room temperature is accomplished in less than 3 seconds. the automatic erase algorithm automatically programs the entire array prior to electrical erase. the timing and verification of electrical erase are internally controlled by the device. automatic sector erase the mx29f100t/b is sector(s) erasable using mxic's auto sector erase algorithm. sector erase modes allow sectors of the array to be erased in one erase cycle. the automatic sector erase algorithm automatically pro- grams the specified sector(s) prior to electrical erase. the timing and verification of electrical erase are inter- nally controlled by the device. automatic programming algorithm mxic's automatic programming algorithm requires the user to only write program set-up commands (include 2 unlock write cycle and a0h) and a program command (program data and address). the device automatically times the programming pulse width, verifies the program and counts the number of sequences. a status bit similar to data polling and a status bit toggling between consecutive read cycles, provides feedback to the user as to the status of the programming operation. automatic erase algorithm
6 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 first bus second bus third bus fourth bus fifth bus sixth bus command bus cycle cycle cycle cycle cycle cycle cycle addr data addr data addr data addr data addr data addr data reset 1 xxxh f0h read 1 ra rd read silicon id word 4 555h aah 2aah 55h 555h 90h adi ddi byte 4 aaah aah 555h 55h aaah 90h adi ddi sector protect word 4 555h aah 2aah 55h 555h 90h (sa) xx00h verify x02h xx01h byte 4 aaah aah 555h 55h aaah 90h (sa) 00h x04h 01h porgram word 4 555h aah 2aah 55h 555h a0h pa pd byte 4 aaah aah 555h 55h aaah a0h pa pd chip erase word 6 555h aah 2aah 55h 555h 80h 555h aah 2aah 55h 555h 10h byte 6 aaah aah 555h 55h aaah 80h aaah aah 555h 55h aaah 10h sector erase word 6 555h aah 2aah 55h 555h 80h 555h aah 2aah 55h sa 30h byte 6 aaah aah 555h 55h aaah 80h aaah aah 555h 55h sa 30h sector erase suspend 1 xxxh b0h sector erase resume 1 xxxh 30h unlock for sector 6 555h aah 2aah 55h 555h 80h 555h aah 2aah 55h 555h 20h protect/unprotect table1. software command definitions note: 1. adi = address of device identifier; a1=0, a0 = 0 for manufacture code,a1=0, a0 = 1 for device code. (refer to table 3) ddi = data of device identifier : c2h for manufacture code, d9h/dfh(x8) and 22d9h/22dfh(x16) for device code. x = x can be vil or vih ra=address of memory location to be read. rd=data to be read at location ra. 2. pa = address of memory location to be programmed. pd = data to be programmed at location pa. sa = address to the sector to be erased. 3. the system should generate the following address patterns: 555h or 2aah to address a10~a0 in word mode/ aaah or 555h to address a10~a-1 in byte mode. address bit a11~a15=x=don't care for all address commands except for program address (pa) and sector address (sa). write sequence may be initiated with a11~a15 in either state. 4. for sector protect verify operation : if read out data is 01h, it means the sector has been protected. if read out data is 00h, it means the sector is still not being protected.
7 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 command definitions device operations are selected by writing specific ad- dress and data sequences into the command register. writing incorrect address and data values or writing them in the improper sequence will reset the device to the read mode. table 1 defines the valid register com- mand sequences. note that the erase suspend (b0h) and erase resume (30h) commands are valid only while the sector erase operation is in progress. either of the two reset command sequences will reset the device(when applicable).
8 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 pins ce oe we a0 a1 a6 a9 d0 ~ q15 mode read silicon id l l h l l x v id (2) c2h(byte mode) manfacturer code(1) 00c2h(word mode) read silicon id l l h h l x v id (2) d9h/dfh(byte mode) device code(1) 22d9h/22dfh (word mode) read l l h a0 a1 a6 a9 d out standby h x x x x x x high z output disable l h h x x x x high z write l h l a0 a1 a6 a9 d in (3) sector protect with 12v l v id (2) l x x l v id (2) x system(6) chip unprotect with 12v l v id (2) l x x h v id (2) x system(6) verify sector protect l l h x h x v id (2) code(5) with 12v system sector protect without 12v l h l x x l h x system (6) chip unprotect without 12v l h l x x h h x system (6) verify sector protect/unprotect l l h x h x h code(5) without 12v system (7) reset x x x x x x x high z table 2. mx29f100t/b bus operation notes: 1. manufacturer and device codes may also be accessed via a command register write sequence. refer to table 1. 2. vid is the silicon-id-read high voltage, 11.5v to 12.5v. 3. refer to table 1 for valid data-in during a write operation. 4. x can be vil or vih. 5. code=00h/0000h means unprotected. code=01h/0001h means protected. a15~a12=sector address for sector protect. 6. refer to sector protect/unprotect algorithm and waveform. must issue "unlock for sector protect/unprotect" command before "sector protect/unprotect without 12v system" command. 7. the "verify sector protect/unprotect without 12v sysytem" is only following "sector protect/unprotect without 12v system" command.
9 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 read/reset command the read or reset operation is initiated by writing the read/reset command sequence into the command register. microprocessor read cycles retrieve array data. the device remains enabled for reads until the command register contents are altered. if program-fail or erase-fail happen, the write of f0h will reset the device to abort the operation. a valid command must then be written to place the device in the desired state. silicon-id-read command flash memories are intended for use in applications where the local cpu alters memory contents. as such, manufacturer and device codes must be accessible while the device resides in the target system. prom programmers typically access signature codes by rais- ing a9 to a high voltage. however, multiplexing high voltage onto address lines is not generally desired system design practice. the mx29f100t/b contains a silicon-id-read opera- tion to supplement traditional prom programming methodology. the operation is initiated by writing the read silicon id command sequence into the command register. following the command write, a read cycle with a1=vil, a0=vil retrieves the manufacturer code of c2h/00c2h. a read cycle with a1=vil, a0=vih returns the device code of d9h/22d9h for mx29f100t, dfh/22dfh for mx29f100b. set-up automatic chip/sector erase commands chip erase is a six-bus cycle operation. there are two "unlock" write cycles. these are followed by writing the "set-up" command 80h. two more "unlock" write cycles are then followed by the chip erase command 10h. the automatic chip erase does not require the device to be entirely pre-programmed prior to executing the automatic chip erase. upon executing the automatic chip erase, the device will automatically program and verify the entire memory for an all-zero data pattern. when the device is automatically verified to contain an all-zero pattern, a self-timed chip erase and verify begin. the erase and verify operations are completed when the data on q7 is "1" at which time the device returns to the read mode. the system is not required to provide any control or timing during these operations. when using the automatic chip erase algorithm, note that the erase automatically terminates when adequate erase margin has been achieved for the memory array(no erase verified command is required). if the erase operation was unsuccessful, the data on q5 is "1"(see table 4), indicating the erase operation exceed internal timing limit. the automatic erase begins on the rising edge of the last we pulse in the command sequence and terminates when the data on q7 is "1" and the data on q6 stops toggling for two consecutive read cycles, at which time the device returns to the read mode.
10 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 pins a0 a1 q15~q8 q7 q6 q5 q4 q3 q2 q1 q0 code(hex) manufacture code word vil vil 00h 1 1 0 0 0 0 1 0 00c2h byte vil vil x 1 1 0 0 0 0 1 0 c2h device code word vih vil 22h 1 1 0 1 1 0 0 1 22d9h for mx29f100t byte vih vil x 1 1 0 1 1 0 0 1 d9h device code word vih vil 22h 1 1 0 1 1 1 1 1 22dfh for mx29f100b byte vih vil x 1 1 0 1 1 1 1 1 dfh sector protection x vih x 0 0 0 0 0 0 0 1 01h(protected) verification x vih x 0 0 0 0 0 0 0 0 00h(unprotected) table 3. expanded silicon id code erase commands the automatic sector erase does not require the device to be entirely pre-programmed prior to executing the automatic set-up sector erase command and automatic sector erase command. upon executing the automatic sector erase command, the device will automatically program and verify the sector(s) memory for an all-zero data pattern. the system does not require to provide any control or timing during these operations. when the sector(s) is automatically verified to contain an all-zero pattern, a self-timed sector erase and verification begin. the erase and verification operations are complete when the data on q7 is "1" and the data on q6 stops toggling for two consecutive read cycles, at which time the device returns to the read mode. the system does not require to provide any control or timing during these operations. when using the automatic sector erase algorithm, note that the erase automatically terminates when adequate erase margin has been achieved for the memory array (no erase verified command is required). sector erase is a six-bus cycle operation. there are two "unlock" write cycles. these are followed by writing the set-up command 80h. two more "unlock" write cycles are then followed by the sector erase command 30h. the sector address is latched on the falling edge of we, while the command(data) is latched on the rising edge of we. sector addresses selected are loaded into internal register on the sixth falling edge of we. each succes- sive sector load cycle started by the falling edge of we must begin within 30us from the rising edge of the preceding we. otherwise, the loading period ends and internal auto sector erase cycle starts. (monitor q3 to determine if the sector erase timer window is still open, see section q3, sector erase timer.) any command other than sector erase (30h) or erase suspend (b0h) during the time-out period resets the derice to read mode. erase suspend this command is only valid while the state machine is executing automatic sector erase operation, and there- fore will only be responded to period during automatic sector erase operation. writing the erase suspend command during the sector erase time-out immediately terminates the time-out immediately terminates the time-out period and suspends the erase operation. after this command has been executed, the command register will initiate erase suspend mode. the state machine will return to read mode automatically after suspend is ready. at this time, state machine only allows the command register to respond to the read memory array, erase resume and program com- mands. the system can determine the status of the program operation using the q7 or q6 status bits, just as in the standard program operation. after an erase-suspend program operation is complete, the system can once again read array data within non-suspended sectors.
11 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 status q7 q6 q5 q3 q2 ry/by note1 note2 byte program in auto program algorithm q7 toggle 0 n/a no 0 toggle auto erase algorithm 0 toggle 0 1 toggle 0 erase suspend read 1 no 0 n/a toggle 1 (erase suspended sector) toggle in progress erase suspended mode erase suspend read data data data data data 1 (non-erase suspended sector) erase suspend program q7 toggle 0 n/a n/a 0 byte program in auto program algorithm q7 toggle 1 n/a no 0 toggle exceeded time limits auto erase algorithm 0 toggle 1 1 toggle 0 erase suspend program q7 toggle 1 n/a n/a 0 table 4. write operation status note: 1. q7 and q2 require a valid address when reading status information. refer to the appropriate subsection for further details. 2. q5 switches to '1' when an auto program or auto erase operation has exceeded the maximum timing limits. see "q5:exceeded timing limits " for more information.
12 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 erase resume this command will cause the command register to clear the suspend state and return back to sector erase mode but only if an erase suspend command was previously issued. erase resume will not have any effect in all other conditions.another erase suspend command can be written after the chip has resumed erasing. set-up automatic program commands to initiate automatic program mode, a three-cycle command sequence is required. there are two "un- lock" write cycles. these are followed by writing the automatic program command a0h. once the automatic program command is initiated, the next we pulse causes a transition to an active programming operation. addresses are latched on the falling edge, and data are internally latched on the rising edge of the we pulse. the rising edge of we also begins the programming operation. the system is not required to provide further controls or timings. the device will automatically provide an adequate internally generated program pulse and verify margin. if the program opetation was unsuccessful, the data on q5 is "1"(see table 4), indicating the program operation exceed internal timing limit. the automatic programming operation is completed when the data read on q6 stops toggling for two consecutive read cycles and the data on q7 and q6 are equivalent to data written to these two bits, at which time the device returns to the read mode(no program verify command is required). write operation status data polling-q7 the mx29f100t/b also features data polling as a method to indicate to the host system that the automatic program or erase algorithms are either in progress or completed. while the automatic programming algorithm is in operation, an attempt to read the device will produce the complement data of the data last written to q7. upon completion of the automatic program algorithm an attempt to read the device will produce the true data last written ry/by:ready/busy the ry/by is a dedicated, open-drain output pin that indicates whether an automatic erase/program algorithm is in progress or complete. the ry/by status is valid after the rising edge of the final we pulse in the command sequence. since ry/by is an open-drain output, several ry/by pins can be tied together in parallel with a pull-up resistor to vcc. if the outputs is low (busy), the device is actively erasing or programming. (this includes programming in the erase suspend mode.) if the output is high (ready), the device is ready to read array data (including during the erase suspend mode), or is in the standby mode. toggle bit-q6 the mx29f100t/b features a "toggle bit" as a method to indicate to the host system that the auto program/erase algorithms are either in progress or completed. while the automatic program or erase algorithm is in progress, successive attempts to read data from the device will result in q6 toggling between one and zero. once the automatic program or erase algorithm is completed, q6 will stop toggling and valid data will be read. the toggle bit is valid after the rising edge of the sixth we pulse of the six write pulse sequences for chip/ sector erase. the toggle bit feature is active during automatic program/ erase algorithms or sector erase time-out.(see section q3 sector erase timer) to q7. the data polling feature is valid after the rising edge of the fourth we pulse of the four write pulse sequences for automatic program. while the automatic erase algorithm is in operation, q7 will read "0" until the erase operation is competed. upon completion of the erase operation, the data on q7 will read "1". the data polling feature is valid after the rising edge of the sixth we pulse of six write pulse sequences for automatic chip/sector erase. the data polling feature is active during automatic program/erase algorithm or sector erase time-out.(see section q3 sector erase timer)
13 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 q5 exceeded timing limits q5 will indicate if the program or erase time has exceeded the specified limits(internal pulse count). under these conditions q5 will produce a "1". this time-out condition indicates that the program or erase cycle was not successfully completed. data polling and toggle bit are the only operating functions of the device under this condition. if this time-out condition occurs during sector erase operation, it specifies that a particular sector is bad and it may not be reused. however, other sectors are still functional and may be used for the program or erase operation. the device must be reset to use other sectors. write the reset command sequence to the device, and then execute program or erase command sequence. this allows the system to continue to use the other active sectors in the device. if this time-out condition occurs during the chip erase operation, it specifies that the entire chip is bad or combination of sectors are bad. if this time-out condition occurs during the byte programming operation, it specifies that the entire sector containing that byte is bad and this sector maynot be reused, (other sectors are still functional and can be reused). the time-out condition may also appear if a user tries to program a non blank location without erasing. in this case the device locks out and never completes the automatic algorithm operation. hence, the system never reads a valid data on q7 bit and q6 never stops toggling. once the device has exceeded timing limits, the q5 bit will indicate a "1". please note that this is not a device failure condition since the device was incorrectly used. q3 sector erase timer after the completion of the initial sector erase command sequenc the sector erase time-out will begin. q3 will remain low until the time-out is complete. data polling and toggle bit are valid after the initial sector erase command sequence. if data polling or the toggle bit indicates the device has been written with a valid erase command, q3 may be used to determine if the sector erase timer window is still open. if q3 is high ("1") the internally controlled erase cycle has begun; attempts to write subsequent commands to the device will be ignored until the erase operation is completed as indicated by data polling or toggle bit. if q3 is low ("0"), the device will accept additional sector erase commands. to insure the command has been accepted, the system software should check the status of q3 prior to and following each subsequent sector erase command. if q3 were high on the second status check, the command may not have been accepted. reading toggle bits q6 whenever the system initally begins reading toggle bit status, it must read q7-q0 at least twice in a row to determine whether a toggle bit is toggling. typically, the system would note and store the value of the toggle bit after the first read. after the second read, the system would compare the new value of the toggle bit with the first. if the toggle bit is not toggling, the device has completed the program or erase operation. the system can read array data on q7-q0 on the following read cycle. however, if after the initial two read cycles, the system determines that the toggle bit is still toggling, the system also should note whether the value of q5 is high (see the section on q5). if it is, the system should then determine again whether the toggle bit is toggling, since the toggle bit may have stopped toggling just as q5 went high. if the toggle bit is no longer toggling, the device has successfully completed the program ot erase operation. if it is still toggling, the device did not complete the operation successfully, and the system must write the reset command to return to reading array data. the remaining scenario is that system initially determines that the toggle bit is toggling and q5 has not gone high. the system may continue to monitor the toggle bit and q5 through successive read cycles, determining the status as described in the previous paragraph. alternatively, it may choose to perform other system tasks. in this case, the system must start at the beginning of the algorithm when it returns to determine the status of the operation.
14 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 data protection the mx29f100t/b is designed to offer protection against accidental erasure or programming caused by spurious system level signals that may exist during power transition. during power up the device automatically resets the state machine in the read mode. in addition, with its control register architecture, alteration of the memory contents only occurs after successful completion of specific command sequences. the device also incorporates several features to prevent inadvertent write cycles resulting from vcc power-up and power-down transition or system noise. temporary sector unprotect this feature allows temporary unprotection of previously protected sector to change data in-system. the temporary sector unprotect mode is activated by setting the reset pin to vid(11.5v-12.5v). during this mode, formerly protected sectors can be programmed or erased as un- protected sector. once vid is remove from the reset pin, all the previously protected sectors are protected again. sector protection with 12v system the mx29f100t/b features hardware sector protection. this feature will disable both program and erase operations for these sectors protected. to activate this mode, the programming equipment must force vid on address pin a9 and control pin oe, (suggest vid = 12v) a6 = vil and ce = vil.(see table 2) programming of the protection circuitry begins on the falling edge of the we pulse and is terminated on the rising edge. please refer to sector protect algorithm and waveform. to verify programming of the protection circuitry, the programming equipment must force vid on address pin a9 ( with ce and oe at vil and we at vih. when a1=1, it will produce a logical "1" code at device output q0 for a protected sector. otherwise the device will produce 00h for the unprotected sector. in this mode, the address,except for a1, are in "don't care" state. address locations with a1 = vil are reserved to read manufacturer and device codes.(read silicon id) it is also possible to determine if the sector is protected in the system by writing a read silicon id command. performing a read operation with a1=vih, it will produce a logical "1" at q0 for the protected sector. write pulse "glitch" protection noise pulses of less than 5ns(typical) on ce or we will not initiate a write cycle. power supply decoupling in order to reduced power switching effect, each device should have a 0.1uf ceramic capacitor connected between its vcc and gnd. logical inhibit writing is inhibite by holding any one of oe = vil, ce = vih or we = vih. to initiate a write cycle ce and we must be a logical zero while oe is a logical one. chip unprotect with 12v system the mx29f100t/b also features the chip unprotect mode, so that all sectors are unprotected after chip unprotect is completed to incorporate any changes in the code. it is recommended to protect all sectors before activating chip unprotect mode. to activate this mode, the programming equipment must force vid on control pin oe and address pin a9. the ce pins must be set at vil. pins a6 must be set to vih.(see table 2) refer to chip unprotect algorithm and waveform for the chip unprotect algorithm. the unprotection mechanism begins on the falling edge of the we pulse and is terminated on the rising. it is also possible to determine if the chip is unprotected in the system by writing the read silicon id command. performing a read operation with a1=vih, it will produce 00h at data outputs(q0-q7) for an unprotected sector. it is noted that all sectors are unprotected after the chip unprotect algorithm is completed.
15 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 absolute maximum ratings rating value ambient operating temperature -40 o c to 125 o c ambient temperature with power -55 o c to 125 o c applied storage temperature -65 o c to 125 o c applied input voltage -0.5v to 7.0v applied output voltage -0.5v to 7.0v vcc to ground potential -0.5v to 7.0v a9 & oe & reset -0.5v to 13.5v notice: stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended period may affect reliability. notice: specifications contained within the following tables are subject to change. capacitance ta = 25 o c, f = 1.0 mhz symbol parameter min. typ max. unit conditions cin1 input capacitance 8 pf vin = 0v cin2 control pin capacitance 12 pf vin = 0v cout output capacitance 12 pf vout = 0v sector protection without 12v system the mx29f100t/b also feature a hardware sector protection method in a system without 12v power suppply. the programming equipment do not need to supply 12 volts to protect sectors. the details are shown in sector protect algorithm and waveform. chip unprotect without 12v system the mx29f100t/b also feature a hardware chip unprotection method in a system without 12v power supply. the programming equipment do not need to supply 12 volts to unprotect all sectors. the details are shown in chip unprotect algorithm and waveform. power-up sequence the mx29f100t/b powers up in the read only mode. in addition, the memory contents may only be altered after successful completion of the predefined command sequences.
16 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 temporary sector unprotect operation start reset = vid (note 1) perform erase or program operation reset = vih temporary sector unprotect completed(note 2) operation completed 2. all previously protected sectors are protected again. note : 1. all protected sectors are temporary unprotected. vid=11.5v~12.5v
17 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 reset ce we ry/by tvidr tvidr program or erase command sequence 12v 0 or 5v 0 or 5v trsp temporary sector unprotect parameter std. description test setup allspeed options unit tvidr vid rise and fall time (see note) min 500 ns trsp reset setup time for temporary sector unprotect min 4 us note: not 100% tested temporary sector unprotect timing diagram
18 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 reset timing wavform ac characteristics parameter std description test setup all speed options unit tready1 reset pin low (during automatic algorithms) max 20 us to read or write (see note) tready2 reset pin low (not during automatic max 500 ns algorithms) to read or write (see note) trp1 reset pulse width (during automatic algorithms) min 10 us trp2 reset pulse width (not during automatic algorithms) min 500 ns trh reset high time before read(see note) min 0 ns trb1 ry/by recovery time(to ce, oe go low) min 0 ns trb2 ry/by recovery time(to we go low) min 50 ns note:not 100% tested trh trb1 trb2 tready1 trp2 trp1 tready2 ry/by ce, oe reset reset timing not during automatic algorithms reset timing during automatic algorithms ry/by ce, oe reset we
19 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 read operation dc characteristics ta = 0 o c to 70 o c, -40 o c to 125 o c, vcc = 5v 10%(vcc = 5v 5% for 29f100t/b-55) symbol parameter min. typ max. unit conditions ili input leakage current 1 ua vin = gnd to vcc ilo output leakage current 10 ua vout = gnd to vcc isb1 standby vcc current 1 ma ce = vih isb2 standby vcc current 1(note3) 5(note3) ua ce = vcc + 0.3v icc1 operating vcc current 40 ma iout = 0ma, f=5mhz icc2 operating vcc current 50 ma iout = 0ma, f=10mhz vil input low voltage -0.3 (note 1) 0.8 v vih input high voltage 2.0 vcc + 0.3 v vol output low voltage 0.45 v iol = 2.1ma voh1 output high voltage(ttl) 2.4 v ioh = -2ma voh2 output high voltage(cmos) vcc-0.4 v ioh = -100ua, vcc=vcc min notes: 1. vil min. = -1.0v for pulse width is equal to or less than 50 ns. vil min. = -2.0v for pulse width is equal to or less than 20 ns. 2. vih max. = vcc + 1.5v for pulse width is equal to or less than 20 ns if vih is over the specified maximum value, read operation cannot be guaranteed. 3. isb2=20ua (max.) for automative grade
20 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 ac characteristics ta = 0 o c to 70 o c, -40 o c to 125 o c, vcc = 5v 10%(vcc = 5v 5% for 29f100t/b-55) 29f100t/b-70 29f100t/b-90 29f100t/b-12 symbol parameter min. max. min. max. min. max. unit conditions (note2) (note2) tacc address to output delay 70 90 120 ns ce=oe=vil tce ce to output delay 70 90 120 ns oe=vil toe oe to output delay 40 40 50 ns ce=vil tdf oe high to output float ( note1) 0 20 0 30 0 30 ns ce=vil toh address to output hold 0 0 0 ns ce=oe=vil note: 1. tdf is defined as the time at which the output achieves the open circuit condition and data is no longer driven. 2. automotive grade is only provided for mx29f100t/b-90 & mx29f100t/b-12 test conditions: ? input pulse levels: 0.45v/2.4v for 70ns max. ; 0v/3.0v for 55ns ? input rise and fall times: < 10ns for 70ns max. ; < 5ns for 55ns ? output load: 1 ttl gate + 100pf (including scope and jig) for 70ns max. ; 1 ttl gate + 30pf (including scope and jig) for 55ns ? reference levels for measuring timing: 0.8v & 2.0v for 70ns max. ; 1.5v for 55ns ac characteristics ta = 0 o c to 70 o c, vcc = 5v 5% for mx29f100t/b-55 29f100t/b-55 symbol parameter min. max. unit conditions tacc address to output delay 55 ns ce=oe=vil tce ce to output delay 55 ns oe=vil toe oe to output delay 30 ns ce=vil tdf oe high to output float ( note1) 0 20 ns ce=vil toh address to output hold 0 ns ce=oe=vil
21 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 read timing waveforms dc characteristics ta = 0 o c to 70 o c, -40 o c to 125 o c, vcc = 5v 10%(vcc = 5v 5% for 29f100t/b-55) symbol parameter min. typ max. unit conditions icc1 (read) operating vcc current 40 ma iout=0ma, f=5mhz icc2 50 ma iout=0ma, f=10mhz icc3 (program) 50 ma in programming icc4 (erase) 50 ma in erase icces vcc erase suspend current 2 ma ce=vih, erase suspended command programming/data programming/erase operation notes: 1. vil min. = -0.6v for pulse width is equal to or less than 20ns. 2. if vih is over the specified maximum value, programming operation cannot be guranteed. 3. icces is specified with the device de-selected. if the device is read during erase suspend mode, current draw is the sum of icces and icc1 or icc2. 4. all current are in rms unless otherwise noted. a0~15 ce oe tacc we vih vil vih vil vih vil vih vil voh vol high z high z data valid toe tdf tce data q0~7 toh add valid
22 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 ac characteristics ta = 0 o c to 70 o c, -40 o c to 125 o c, vcc = 5v 10%(vcc = 5v 5% for 29f100t/b-55) 29f100t/b-70 29f100t/b-90 29f100t/b-12 symbol parameter min. max. min. max. min. max. unit toes oe setup time 0 0 0 ns tcwc command programming cycle 70 90 120 ns tcep we programming pulse width 45 45 50 ns tceph1 we programming pluse width high 20 20 20 ns tceph2 we programming pluse width high 20 20 20 ns tas address setup time 0 0 0 ns tah address hold time 45 45 50 ns tds data setup time 30 45 50 ns tdh data hold time 0 0 0 ns tcesc ce setup time before command write 0 0 0 ns tdf output disable time (note 1) 30 40 40 ns taetc total erase time in auto chip erase 3(typ.) 24 3(typ.) 24 3(typ.) 24 s taetb total erase time in auto sector erase 1(typ.) 8 1(typ.) 8 1(typ.) 8 s tavt total programming time in auto verify 7/12(typ.)210/360 7/12(typ.) 210/360 7/12(typ.)210/360 us tbal sector address load time 100 100 100 us tch ce hold time 0 0 0 ns tcs ce setup to we going low 0 0 0 ns tvlht voltge transition time 4 4 4 us toesp oe setup time to we active 4 4 4 us twpp1 write pulse width for sector protect 10 10 10 us twpp2 write pulse width for sector unprotect 12 12 12 ms notes: 1. tdf defined as the time at which the output achieves the open circuit condition and data is no longer driven. 2. automotive grade is only provided for mx29f100t/b-90 & mx29f100t/b-12
23 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 ac characteristics ta = 0 o c to 70 o c, vcc = 5v 5% for mx29f100t/b-55 29f100t/b-55 symbol parameter min. max. unit conditions toes oe setup time 0 ns tcwc command programming cycle 70 ns tcep we programming pulse width 45 ns tceph1 we programming pluse width high 20 ns tceph2 we programming pluse width high 20 ns tas address setup time 0 ns tah address hold time 45 ns tds data setup time 20 ns tdh data hold time 0 ns tcesc ce setup time before command write 0 ns tdf output disable time (note 1) 20 ns taetc total erase time in auto chip erase 3(typ.) 24 s taetb total erase time in auto sector erase 1(typ.) 8 s tavt total programming time in auto verify 7/12(typ.) 210/360 us tbal sector address load time 100 us tch ce hold time 0 ns tcs ce setup to we going low 0 ns tvlht voltge transition time 4 us toesp oe setup time to we active 4 us twpp1 write pulse width for sector protect 10 us twpp2 write pulse width for sector unprotect 12 ms notes: 1. tdf defined as the time at which the output achieves the open circuit condition and data is no longer driven.
24 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 switching test circuits switching test waveforms(i) for 29f100t/b-70, 29f100t/b-90, 29f100t/b-12 2.0v 2.4 v 0.45 v 0.8v test points input 2.0v 0.8v output ac testing: inputs are driven at 2.4v for a logic "1" and 0.45v for a logic "0". input pulse rise and fall times are < 10ns. switching test waveforms(ii) for 29f100t/b-55 3.0 v 0 v 1.5v test points input 1.5v output ac testing: inputs are driven at 3.0v for a logic "1" and 0v for a logic "0". input pulse rise and fall times are < 5ns. device under test diodes=in3064 or equivalent cl 1.2k ohm 1.6k ohm +5v cl=100pf including jig capacitance for 29f100t/b-70, 29f100t/b-90, 29f100t/b-12 30pf including jig capacitance for 29f100t/b-55
25 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 command write timing waveform address a0~15 ce oe we din tds tah data q0-7 tdh tcs tch tcwc tceph1 tcep toes tas vcc 5v vih vil vih vil vih vil vih vil vih vil add valid
26 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic programming timing waveform one byte data is programmed. verify in fast algorithm and additional programming by external control are not required because these operations are executed auto- matically by internal control circuit. programming completion can be verified by data polling and toggle bit automatic programming timing waveform (word mode) checking after automatic verification starts. device outputs data during programming and data after programming on q7.(q6 is for toggle bit; see toggle bit, data polling, timing waveform) tcwc tas tcep tds tdh tdf vcc 5v ce oe q0~q2 ,q4(note 1) we a11~a15 tceph1 tah add valid tcesc q7 command in add valid a0~a10 command in command in data in data command in command in command in data in data data tavt toe data polling 2aah 555h 555h command #aah command #55h command #a0h (q0~q7) notes: (1). q6:toggle bit, q5:timing-limit bit, q3: time-out bit
27 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic programming algorithm flowchart (word mode) start write data aah address 555h write data 55h address 2aah write program data/address write data a0h address 555h yes no toggle bit checking q6 not toggled verify byte ok yes q5 = 1 reset auto program completed auto program exceed timing limit no invalid command yes no .
28 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic chip erase timing waveform all data in chip are erased. external erase verification is not required because data is erased automatically by internal control circuit. erasure completion can be veri- fied by data polling and toggle bit checking after auto- matic erase starts. device outputs 0 during erasure and 1 after erasure 0n q7.(q6 is for toggle bit; see toggle bit, data polling, timing waveform) automatic chip erase timing waveform (word mode) tcwc tas tcep tds tdh vcc 5v ce oe q0,q1, q4(note 1) we a11~a15 tceph1 tah q7 command in a0~a10 command in command in command in command in command in taetc data polling 2aah 555h 555h command #aah command #55h command #80h (q0~q7) notes: (1). q6:toggle bit, q5:timing-limit bit, q3: time-out bit, q2: toggle bit 555h 2aah 555h command in command in command #aah command in command in command #55h command in command in command #10h
29 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic chip erase algorithm flowchart (word mode) start write data aah address 555h write data 55h address 2aah write data aah address 555h write data 80h address 555h yes no toggle bit checking q6 not toggled write data 10h address 555h write data 55h address 2aah reset auto chip erase exceed timing limit data polling q7 = 1 yes yes q5 = 1 auto chip erase completed no . no invalid command
30 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic sector erase timing waveform sector data indicated by a12 to a15 are erased. external erase verification is not required because data are erased automatically by internal control circuit. erasure completion can be verified by data polling and toggle bit checking after automatic erase starts. device outputs 0 during erasure and 1 after erasure on q7.(q6 is for toggle bit; see toggle bit, data polling, timing waveform) automatic sector erase timing waveform (word mode) tah sector address0 555h 2aah 2aah 555h 555h sector address1 sector addressn vcc 5v ce oe q0,q1, q4(note 1) we a12~a15 q7 a0~a10 command in command in command in command in command in command in command in command in command in command in command in command in command in command in command #30h command #30h command #30h command #55h command #aah command #80h command #55h command #aah (q0~q7) command in command in tdh tds tcep tcwc taetb tbal data polling tceph1 tas notes: (1). q6:toggle bit, q5:timing-limit bit, q3: time-out bit, q2: toggle bit
31 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 automatic sector erase algorithm flowchart start write data aah address 555h write data 55h address 2aah write data aah address 555h write data 80h address 555h yes yes no no . toggle bit checking q6 not toggled write data 30h sector address write data 55h address 2aah reset auto sector erase exceed timing data polling q7 = 1 q5 = 1 auto sector erase completed load other sector addrss if necessary (load other sector address) yes no last sector to erase time-out bit checking q3=1 ? toggle bit checking q6 toggled ? invalid command no yes yes no
32 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 erase suspend/erase resume flowchart start write data b0h toggle bit checking q6 not toggled yes no write data 30h continue erase reading or programming end read array or program another erase suspend ? no . yes yes no
33 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 timing waveform for sector protection for system with 12v toe data oe we 12v 5v 12v 5v ce a9 a1 a6 toesp twpp 1 tvlht tvlht tvlht verify 01h f0h a15-a12 sector address
34 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 timing waveform for chip unprotection for system with 12v toe data oe we 12v 5v 12v 5v ce a9 a1 toesp twpp 2 tvlht tvlht tvlht verify 00h a6 f0h
35 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector protection algorithm for system with 12v start set up sector addr (a15,a14,a13,a12) plscnt=1 sector protection complete data=01h? ye s . oe=vid,a9=vid,ce=vil a6=vil activate we pulse time out 10us set we=vih, ce=oe=vil a9 should remain vid read from sector addr=sa, a1=1 protect another sector? remove vid from a9 write reset command device failed increment plscnt plscnt=32? ye s ye s no no no
36 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector unprotection algorithm for system with 12v start protect all sectors plscnt=1 chip unprotect complete data=00h? ye s set oe=a9=vid ce=vil,a6=1 activate we pulse time out 12ms set oe=ce=vil a9=vid,a1=1 set up first sector addr all sectors have been verified? remove vid from a9 write reset command device failed plscnt=1000? no increment plscnt no read data from device ye s ye s no increment sector addr * it is recommended before unprotect the whole chip, all sectors should be protected in advance.
37 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 timing waveform for sector protection for system without 12v toe data oe we ce a1 a6 * see the following note! verify 01h 5v note: 1. must issue "unlock for sector protect/unprotect" command before chip protection for a system without 12v provided. 2. except f0h toggle bit polling don't care (note 2) tcep f0h
38 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 timing waveform for chip unprotection for system without 12v toe data we ce a1 verify 00h a6 note: 1. must issue "unlock for sector protect/unprotect" command before chip unprotection for a system without 12v provided. 2. except f0h oe tcep 5v toggle bit polling don't care (note 2) * see the following note! f0h
39 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector protection algorithm for system without 12v start set up sector addr (a15,a14,a13,a12) plscnt=1 sector protection complete data=01h? ye s . ye s oe=vih,a9=vih ce=vil,a6=vil activate we pulse to start data don't care set ce=oe=vil a9=vih read from sector addr=sa, a1=1 protect another sector? write reset command device failed plscnt=32? ye s no no increment plscnt no write "unlock for sector protect/unprotect" command(table1) toggle bit checking dq6 not toggled no ye s
40 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 sector unprotection algorithm for system without 12v start protect all sectors plscnt=1 chip unprotect complete data=00h? ye s set oe=a9=vih ce=vil,a6=1 activate we pulse to start data don't care set oe=ce=vil a9=vih,a1=1 set up first sector addr all sectors have been verified? write reset command device failed plscnt=1000? no increment plscnt no read data from device ye s ye s no increment sector addr * it is recommended before unprotect the whole chip, all sectors should be protected in advance. write "unlock for sector protect/unprotect" command (table 1) toggle bit checking dq6 not toggled ye s no
41 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 id code read timing waveform tacc tce tacc toe toh toh tdf data out c2h/00c2h d9h/dfh(byte mode) 22d9h/22dfh(word mode) vid vih vil add a9 add a2-a8 a10-a15 ce oe we a1 a0 data out data q0-q15 vcc 5v vih vil vih vil vih vil vih vil vih vil vih vil
42 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 min. max. input voltage with respect to gnd on all pins except i/o pins -1.0v 13.5v input voltage with respect to gnd on all i/o pins -1.0v vcc + 1.0v current -100ma +100ma includes all pins except vcc. test conditions: vcc = 5.0v, one pin at a time. limits parameter min. typ.(2) max.(3) units sector erase time 1 8 sec chip erase time 3 24 sec byte programming time 7 210 us word programming time 12 360 us chip programming time 3.5 10.5 sec erase/program cycles 100,000 cycles latchup characteristics erase and programming performance(1) note: 1.not 100% tested, excludes external system level over head. 2.typical values measured at 25 c,5v. 3.maximum values measured at 25 c,4.5v. parameter min. unit data retention time 20 years data retention
43 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 ordering information plastic package (top boot sector as an sample for bottom boot sector ones, mx29f100txx will change to mx29f100bxx) part no. access time operating current standby current temperature package (ns) max.(ma) max.(ua) range mx29f100tmc-55 55 40 5 0 o c~70 o c 44 pin sop mx29f100tmc-70 70 40 5 0 o c~70 o c 44 pin sop mx29f100tmc-90 90 40 5 0 o c~70 o c 44 pin sop mx29f100tmc-12 120 40 5 0 o c~70 o c 44 pin sop mx29f100ttc-55 55 40 5 0 o c~70 o c 48 pin tsop (normal type) mx29f100ttc-70 70 40 5 0 o c~70 o c 48 pin tsop (normal type) mx29f100ttc-90 90 40 5 0 o c~70 o c 48 pin tsop (normal type) MX29F100TTC-12 120 40 5 0 o c~70 o c 48 pin tsop (normal type) mx29f100tta-90 90 40 20 -40 o c~125 o c 48 pin tsop (normal type) mx29f100tta-12 120 40 20 -40 o c~125 o c 48 pin tsop (normal type)
44 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 package information 48-pin plastic tsop
45 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 44-pin plastic sop
46 p/n:pm0548 mx29f100t/b rev. 1.2, nov. 12, 2001 revision history revision description page date 1.0 1.to remove "advanced information" datasheet marking and p1 dec/21/1999 contain information on products in full production 2.the modification summary from revision 0.9.8 to revision 1.0: 2-1.program/erase cycle times:10k cycles-->100k cycles p1,42 2-2.to add data retention 20 years p1,42 2-3.to remove a9 from the timing waveform of protection/ p37,38 unprotection without 12v 2-4.multi-sector erase timeout:80ms-->30us p10 2-5.tbal:80us-->100us p22,23 1.1 to modify "package information" p44~45 jun/14/2001 1.2 add automative grade p15,19-23,43 nov/12/2001
47 mx29f100t/b m acronix i nternational c o., l td. headquarters: tel:+886-3-578-6688 fax:+886-3-563-2888 europe office: tel:+32-2-456-8020 fax:+32-2-456-8021 japan office: tel:+81-44-246-9100 fax:+81-44-246-9105 singapore office: tel:+65-348-8385 fax:+65-348-8096 taipei office: tel:+886-2-2509-3300 fax:+886-2-2509-2200 m acronix a merica, i nc. tel:+1-408-453-8088 fax:+1-408-453-8488 chicago office: tel:+1-847-963-1900 fax:+1-847-963-1909 http : //www.macronix.com macronix international co., ltd. reserves the right to change product and specifications without notice.

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