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)
