BL7448SM Overview
BL7448SM is an IC Card chip (module) made by 0.35um CMOS EERPOM process. It has 1024 byte EEPROM with logical encryption and function.
BL7448SM Key Features
- 1024 x 8 bit EEPROM organization
- Byte-wise addressing
- 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
- Data can only be changed after entry of the correct 2-byte
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