1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com hi-reliability product ws1m32v-xg3x 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 9 v cc a 0 a 1 a 2 a 3 a 4 a 5 a 6 oe 1 oe 2 oe 3 oe 4 nc a 7 a 8 a 9 a 10 a 11 a 12 a 13 gnd v cc i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 cs 1 nc cs 2 i/o 8 i/o 9 i/o 10 i/o 11 i/o 12 i/o 13 i/o 14 i/o 15 gnd gnd nc nc nc nc nc nc nc nc we 4 we 3 we 2 we 1 nc nc a 18 a 17 a 16 a 15 a 14 v cc gnd i/o 31 i/o 3 0 i/o 2 9 i/o 2 8 i/o 2 7 i/o 2 6 i/o 2 5 i/o 2 4 nc nc nc i/o 2 3 i/o 22 i/o 21 i/o 2 0 i/o 1 9 i/o 1 8 i/o 1 7 i/o 1 6 v cc 876543 18483828180797877 2 37 38 39 40 41 42 43 45 46 47 48 49 50 51 52 53 44 76 75 11 10 33 34 35 36 1mx32 sram 3.3v module preliminary* features n access times of 17, 20, 25ns n 84 lead, 28mm cqfp, (package 511) n organized as two banks of 512kx32, user configurable as 2mx16 or 4mx8 n commercial and industrial temperature ranges n ttl compatible inputs and outputs n 3.3 volt power supply pin configuration for ws1m32v-xg3x pin description i/o 0-31 data inputs/outputs a 0-18 address inputs we 1-4 write enables cs 1-2 chip selects oe 1-4 output enables v cc +3.3v power supply gnd ground nc not connected top view n low power cmos n built-in decoupling caps and multiple ground pins for low noise operation n weight ws1m32v-xg3x - 20 grams typical * this data sheet describes a product under development, not fully characterized, and is subject to change without notice. march 2000 rev. 4 block diagram 8 i/o 0-7 cs 1 i/o 8-15 cs 2 i/o 16-23 i/o 24-31 a 0-18 we 1 8 2m x 8 8 512k x 8 8 512k x 8 2m x 8 512k x 8 512k x 8 2m x 8 512k x 8 512k x 8 2m x 8 512k x 8 512k x 8 oe 1 we 2 oe 2 we 3 oe 3 we 4 oe 4 note: cs 1 & cs 2 are used as bank select the wedc 84 lead g3 cqfp fills the same fit and function as the jedec 84 lead cqfj or 84 plcc. but the g3 has the tce and lead inspection advantage of the cqfp form. 1.146"
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com ws1m32v-xg3x capacitance (t a = +25 c) parameter symbol conditions max unit oe 1-4 capacitance c oe v in = 0 v, f = 1.0 mhz 20 pf we 1-4 capacitance c we v in = 0 v, f = 1.0 mhz 20 pf cs 1-2 capacitance c cs v in = 0 v, f = 1.0 mhz 50 pf data i/o capacitance c i/o v i/o = 0 v, f = 1.0 mhz 20 pf address input capacitance c ad v in = 0 v, f = 1.0 mhz 70 pf this parameter is guaranteed by design but not tested. truth table absolute maximum ratings parameter symbol min max unit operating temperature t a -40 +85 c storage temperature t stg -65 +150 c signal voltage relative to gnd v g -0.5 4.6 v junction temperature t j 150 c supply voltage v cc -0.5 4.6 v cs oe we mode data i/o power h x x standby high z standby l l h read data out active l x l write data in active l h h out disable high z active recommended operating conditions parameter symbol min max unit supply voltage v cc 3.0 3.6 v input high voltage v ih 2.2 v cc + 0.3 v input low voltage v il -0.3 +0.8 v dc characteristics (v cc = 3.3v 0.3v, t a = -40 c to +85 c) parameter sym conditions units min max input leakage current i li v in = gnd to v cc 10 m a output leakage current i lo cs = v ih , oe = v ih , v out = gnd to v cc 10 m a operating supply current (x 32 mode) i cc x 32 cs = v il , oe = v ih , f = 5mhz, v cc = 3.6v 440 ma standby current i sb cs = v ih , oe = v ih , f = 5mhz, v cc = 3.6v 400 ma output low voltage v ol i ol = 4.0ma 0.4 v output high voltage v oh i oh = -4.0ma 2.4 v note: dc test conditions: v ih = v cc -0.3v, v il = 0.3v
3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com ws1m32v-xg3x ac test circuit notes: v z is programmable from -2v to +7v. i ol & i oh programmable from 0 to 16ma. tester impedance z 0 = 75 w . v z is typically the midpoint of v oh and v ol . i ol & i oh are adjusted to simulate a typical resistive load circuit. ate tester includes jig capacitance. i current source d.u.t. c = 50 pf eff i ol v 1.5v (bipolar supply) z current source oh ac test conditions parameter typ unit input pulse levels v il = 0, v ih = 2.5 v input rise and fall 5 ns input and output reference level 1.5 v output timing reference level 1.5 v parameter symbol -17 -20 -25 units read cycle min max min max min max read cycle time t rc 17 20 25 ns address access time t aa 17 20 25 ns output hold from address change t oh 00 0ns chip select access time t acs 17 20 25 ns output enable to output valid t oe 10 10 12 ns chip select to output in low z t clz 1 11 1ns output enable to output in low z t olz 1 00 0ns chip disable to output in high z t chz 1 12 12 12 ns output disable to output in high z t ohz 1 12 12 12 ns 1. this parameter is guaranteed by design but not tested. ac characteristics (v cc = 3.3v, gnd = 0v, t a = -40 c to +85 c) ac characteristics (v cc = 3.3v, gnd = 0v, t a = -40 c to +85 c) parameter symbol -17 -20 -25 units write cycle min max min max min max write cycle time t wc 17 20 25 ns chip select to end of write t cw 15 15 17 ns address valid to end of write t aw 15 15 17 ns data valid to end of write t dw 11 12 13 ns write pulse width t wp 15 15 17 ns address setup time t as 22 2ns address hold time t ah 00 0ns output active from end of write t ow 1 23 4ns write enable to output in high z t whz 1 91113ns data hold time t dh 00 0ns 1. this parameter is guaranteed by design but not tested.
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com ws1m32v-xg3x ws32k32-xhx timing waveform - read cycle write cycle - cs controlled address data i/o write cycle 2, cs controlled t aw t as t cw t ah t wp t dh t dw t wc cs we data valid address data i/o read cycle 2 (we = v ih ) t aa t acs t oe t clz t olz t ohz t rc data valid high impedance cs oe t chz address data i/o read cycle 1 (cs = oe = v il , we = v ih ) t aa t oh t rc data valid previous data valid address data i/o write cycle 1, we controlled t aw t cw t ah t wp t dw t whz t as t ow t dh t wc data valid cs we write cycle - we controlled
5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com ws1m32v-xg3x all linear dimensions are millimeters and parenthetically in inches package 511: 84 lead, ceramic quad flat pack (g3) 0.38 (0.015) 0.05 (0.002) 4.12 (0.162) 0.20 (0.008) 1.27 (0.050) typ 29.11 (1.146) 0.25 (0.010) 25.40 (1.000) typ 4.29 (0.169) 0.28 (0.011) 0.19 (0.008) 0.06 (0.003) 1.02 (0.040) 0.12 (0.005) 0.25 (0.010) 0.03 (0.002) 1 / 7 r 0.127 (0.005) min detail a see detail "a" pin 1 0.27 (0.011) 0.04 (0.001) + 30.23 (1.190) 0.25 (0.010) sq 27.18 (1.070) 0.25 (0.010) sq the wedc 84 lead g3 cqfp fills the same fit and function as the jedec 84 lead cqfj or 84 plcc. but the g3 has the tce and lead inspection advantage of the cqfp form. 1.146"
6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com ws1m32v-xg3x ordering information lead finish: blank = gold plated leads a = solder dip leads device grade: i = industrial -40 c to +85 c c = commercial 0 to +70 c package type: g3 = 28 mm cqfp (package 511) access time (ns) low voltage supply 3.3v 10% organization, two banks of 512kx32 user configurable as 2mx16 or 4mx8 sram white electronic designs corp. w s 1m32 v - xx g3 x x
|
