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Description

The AT88SC0808C member of the CryptoMemory? family is a high-performance secure memory providing 8 Kbits of user memory with advanced security and cryptographic features built in. The user memory is divided into 8 128-byte zones, each of which may be individually set with different security access rights or effectively combined together to provide space for 1 to 8 data files.

Features

? One of a Family of 9 Devices with User Memories from 1 Kbit to 256-Kbit

? 8-Kbit (1-Kbyte) EEPROM User Memory

¨C Eight 128-byte (1-Kbit) Zones

¨C Self-timed Write Cycle

¨C Single Byte or 16-byte Page Write Mode

¨C Programmable Access Rights for Each Zone

? 2-Kbit Configuration Zone

¨C 37-byte OTP Area for User-defined Codes

¨C 160-byte Area for User-defined Keys and Passwords

? High Security Features

¨C 64-bit Mutual Authentication Protocol (Under License of ELVA)

¨C Encrypted Checksum

¨C Stream Encryption

¨C Four Key Sets for Authentication and Encryption

¨C Eight Sets of Two 24-bit Passwords

¨C Anti-tearing Function

¨C Voltage and Frequency Monitor

? Smart Card Features

¨C ISO 7816 Class A (5V) or Class B (3V) Operation

¨C ISO 7816-3 Asynchronous T = 0 Protocol (Gemplus? Patent)

¨C Multiple Zones, Key Sets and Passwords for Multi-application Use

¨C Synchronous 2-wire Serial Interface for Faster Device Initialization

¨C Programmable 8-byte Answer-To-Reset Register

¨C ISO 7816-2 Compliant Modules

? Embedded Application Features

¨C Low Voltage Operation: 2.7V to 5.5V

¨C Secure Nonvolatile Storage for Sensitive System or User Information

¨C 2-wire Serial Interface

¨C 1.0 MHz Compatibility for Fast Operation

¨C Standard 8-lead Plastic Packages

¨C Same Pinout as 2-wire Serial EEPROMs

? High Reliability

¨C Endurance: 100,000 Cycles

¨C Data Retention: 10 years

¨C ESD Protection: 4,000V min