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Datasheet File OCR Text: |
A9211B iso/iec 14443a rfid tag ic feature C compatible with iso/iec 14443a standard C no external power supply required C 13.56mhz operating frequency C total embedded 2048 bit otp memory C 100% ask demodulator C cascaded two level 7 byte serial number C 106 kbps for high data rate, C manchester encoding tx data output otp memory C 224 x 8 bits of data memory organized in 56 pages C each page is organized in 4 bytes for one time programming C data retention up to 10 years C private 32bits password protected self destruct function tx rx otp antp antm mod encoder demod antenna rf interface digital control anti-collision clk state machine figure 1: A9211B block system diagram memory ctrl data process p 1 of 15 ver. 1.0
A9211B iso/iec 14443a rfid tag ic general description A9211B is a contactless rfid tag ic for use with proximity coupling device according to iso/iec 14443a standard. the communication protocol complies with parts 2 and 3 of the iso/iec 14443a specification. anti-collision A9211B?s anti-collision function allows multiple rfid tags operating in reader?s magnetic field simultaneously. the anti-collision function enables the detection and operation of A9211B when other A9211B equipped tags are also present. cascaded unique identification number A9211B?s unique identification number (uid) is 7 bytes long and supports cascade level-2 format according to iso / iec 14443-3 . p 2 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic pin descriptions symbol type description antm - antenna pad a antp - antenna pad b tio1 - reserved tio2 - reserved tio3 reserved table 1 p 3 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic floor plan antm antp tio1 tio0 tio2 figure 2: A9211B pin-out diagram p 4 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic otp memory mapping page otp addr byte0 byte1 byte2 byte3 0 0x00~0x03 sn0 sn1 sn2 bcc0 1 0x04~0x07 sn3 sn4 sn5 sn6 2 0x08~0x0b bcc1 reserved lock0 lokc1 3 0x0c~0x0f ucdata0 ucdata1 ucdata2 ucdata3 4 0x10~0x13 data0 data1 data2 data3 5 0x14~0x17 data4 data5 data6 data7 6 0x18~0x1b data8 data9 data10 data11 7 0x1c~0x1f data12 data13 data14 data15 8 0x20~0x23 data16 data17 data18 data19 9 0x24~0x27 data20 data21 data22 data23 10 0x28~0x2b data24 data25 data26 data27 11 0x2c~0x2f data28 data29 data30 data31 12 0x30~0x33 data32 data33 data34 data35 13 0x34~0x37 data36 data37 data38 data39 14 0x38~0x3b data40 data41 data42 data43 15 0x3c~0x3f data44 data45 data46 data47 16 0x40~0x43 data48 data49 data50 data51 ::: ::::::: ::::::: ::: :::: ::::::: ::::::: ::: ::::::: ::::::: ::: :::: ::::::: ::::::: 59 0xec~0xef data220 data221 data222 data223 60 0xf0~0xf3 reserved reserved reserved reserved 61 0xf4~0xf7 reserved reserved reserved reserved 62 0xf8~0xfb reserved 0x00 0x00 0x00 63 0x0c~0xff reserved reserved reserved reserved table2: otp memory mapping table p 5 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic unique identifier (uid) msb lsb 56 9 8 1 ic manufacturer serial number ic mfg code (0x33) the uid , in iso/iec 14443a format, is programmed by ic manufacturer during production process and cannot be changed afterwards. bit56 ~ bit 9: 48-bit unique serial number bit 8 ~ bit 1: ic manufacturer code for amic p 6 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic A9211B state diagram the stat diagram shown below describes the operati on of A9211B. for detail explanation of state definition, please refer to iso/iec 14443a-3 documents. remarkj: A9211B does not support iso/iec 14443-4 (shown in dotted line). p 7 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic rfid tag ic command list command command code description 1 reqa 0x26 request type a 2 wupa 0x52 wake up type a 3 sel 0x93/0x95 select for 2-layer anticollision 4 hlta 0x50 halt type a 5 read 0x30 read page data 6 write 0xa2 write page data 7 cwrite 0xa0 compatibility write p 8 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic absolute maximum rating parameter symbol min type max unit storage temperature t sto -55 - 140 junction temperature t j -55 - 140 electrostatic discharge voltage v esd - - 2k (1) v maximum input peak current i max p-m - - 50 ma operating junction temperature t jop -40 - 120 input current i p-m - - 30 ma (1) applicable for antp and antm pads dc electrical characteristics parameter symbol condition min typical max unit operating frequency f op 13.560 tbd mhz input capacitance c in v p-m 23.4 26.0 28.6 pf otp data retention t ret t 10 years otp write endurance n wr 1 - 5 cycles p 9 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic 10. mechanical specification ? wafer diameter: 8? ? wafer thickness: raw wafer (150 u m 15 u m) ? backside material: si ? backside treatment: etched; to achieve 30~50% brightness relative to surface ? backside roughness: not specified ? chip size: 1073.68 um x 972.26um ? scribe line: 100um ? passivation type: psg and sin ? passivation material: psg and sin ? passivation thickness: psg2.5k ? and sin 3k ? p 10 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic 11. gold bump specification ? bump material: >99.9% pure au ? bump hardness: 35 ? 80 hv 0.005 ? bump shear strength: >70mpa ? bump height: 18u m ? bump height uniformly: C within a die 2 um C within a wafer 3 um C wafer to wafer 4 um ? bump flatness: 1.5 u m ? bump size: C antp, antm: C tio0 tio1, tio2: 80um x 80um; 50um x 50um C variation: 5 u m ? under bump metallization: sputtered tiw p 11 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic 12. wafer mapping p 12 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic p 13 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic 13. bonding pad drawing (e) (a) (b) (c) (d) (e) (e) (f) vantp vantm vdd testio (a) (b) c c d d (d) (d) (d) (d) (h) (g) c c symbol dimension a 108.7um b 33.34um c 32.65um d 688.24um e 29um f 895.91um g 36.32um h 858.26um a 1073.68um b 972.26um c? 80um d 50um p 14 of 15 ver. 1.0 A9211B iso/iec 14443a rfid tag ic revision history rev date description by 1.0 jan, 2010 initial creation gw p 15 of 15 ver. 1.0 |
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