BL7448SM中文資料上海貝嶺數(shù)據(jù)手冊PDF規(guī)格書

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