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BL7431A - SHANGHAI BELLING

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BL7431A 256 EEPROM encryption logic circuit

www.DataSheet4U.com BL7431A 256EEPROM 、 BL7431A1.2CMOS E2PROM IC(),256E2PROM, 。。 、 • • • • • 256 × 1 E2PROM , E2PROM5ms :5V • • • • :<1mA :105 10 ISO/IEC 7816-3 、 ,。1。1。 1-a M2.2 1-b M3.2 1 、 2。 256EEPROM () CLK I/O RST VCC GND 2 http://www.belling.com.cn -1Total 4 Pages 8/16/2006 Wrote by BL7431A 256EEPROM BL7431A 256EE.

Features

1) 。,RST,CLK,RST, “0”I/O,VCC,。3。 tR (2) , RST1, ,I/O, CLKRST=1, 0。3。 RST td1 tr CLK IO Add A0 td3 DO0 A1 td2 tf tH tL td4 DO1 A2 3 (3) RSTCLK, R, , 。, , , R。,,R ;, ,R。4。 ts RST td5 CLK td6 tHW n n n+1 n+1 n+2 n+1 td7 tS RST td6 CLK Add IO n tHW n n tS td7 tHE n+1 n Add IO 5 4 (4) ,CLK0,RST,R,CLK ,1,。5。 (5) ,。 ,,, 。,。0, ECC,ECC,80,I/O,104, 。6。 RST CLK ADDRESS 0 I/O D0 1 EC(LSB-1) ~EC(MSB-1) tHW EC EC0 80 td8 D80 81 td9 D81 82 D82 103 td10 D103 104 6 【】,。, 。。 http://www.belling.com.cn -3Total 4 Pages 8/16/2006 Wrote by BL7431A 256EEPROM 、 : ESD VCC VI TS Vs Pto.

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