The AT88SC member of the Crypto Memory family is a high-performance secure memory providing 1 Kbit of user memory with advanced security and cryptographic features built in. The user memory is divided into four 32-byte zones, each of which may be individually set with different security access rights or combined together to provide space for 1 to 4 data files.

The main features of the AT88SC are:
1-Kbit (128-byte) EEPROM User Memory
    –Four 32 byte (256 bit) Zones
    –Self-timed Write Cycle (5 ms)
    –Single Byte or 16
    -byte Page Write Mode
    –Programmable Access Rights for Each Zone
2-Kbit Configuration Zone
    –37-byte OTP Area for User-defined Codes
    –160-byte Area for User-defined Keys and Passwords