Description

BL7448SM is an IC Card chip (module) made by 0.35um CMOS EERPOM process. It has 1024 byte EEPROM with logical encryption and function.

Features

• 1024 x 8 bit EEPROM organization

• Byte-wise addressing Irreversible byte-wise write protection of every Byte

• 1024 x1 bit organization of protection memory

• Serial three-wire link

• End of processing indicated at data output

• Minimum of 100,000 write/erase cycles

• Data retention time :>10 years

• Contacts configuration and serial interface according to ISO 7816 standard (synchronous transmission)

• Data can only be changed after entry of the correct 2-byte Programmable security code