Read and write by bit, erase by byte Contacted Smart Card use 1.2um CMOS & EEPROM Chip
 

The chip uses 1.2um CMOS & EEPROM

process. It has 256 bits EEPROM(A type) or 512 bits EEPROM(B type) with logical

encryption function, its contact configuration is in accordance to ISO standard 7816-

3(Synchronous Transmission). It can be used widely in intelligent public telephone area.

 Feature

_ 256X 1bit E2PROM(A Type) 512 X 1bit E2PROM(B Type)

_ Read and write by bit, erase by byte

_ Logical encryption ensure the security of data and password

_ Typical EEPROM program time is 5ms

_ Operation Voltage 5V

_ Operation Current <1mA

_ Minimal Erase/Write Cycle 105

_ Data Retention: no less than 10 year

_    In accordance to ISO standard 7816-3(Synchronous Transmission)