Features
• One of a family of devices with user memories from 1Kbit to 8Kbits
• 8Kbit (1Kbyte) EEPROM user memory
    • Eight 1Kbit (128-byte) zones
    • Self-timed write cycle
    • Single byte or 16-byte page write mode
    • Programmable access rights for each zone
• 2Kbit configuration zone
    • 37-byte OTP (One-Time Programmable) area for user-defined codes
    • 160-byte area for user-defined keys and passwords
• High security features
    • 64-bit mutual authentication protocol (under license of ELVA)
    • Cryptographic Message Authentication Codes (MAC)
    • Stream encryption
    • Four key sets for authentication and encryption
    • Eight sets of two 24-bit passwords
    • Anti-tearing function
    • Voltage and frequency monitors
• Smart card features
    • ISO 7816 Class B (3V) operation
    • ISO 7816-3 asynchronous T=0 Protocol (Gemplus® Patent) *
    • Multiple zones, key sets and passwords for multi-application use
    • Synchronous two-wire serial interface for faster device initialization *
    • Programmable 8-byte answer-to-reset register (ATR)
    • ISO 7816-2 compliant modules
• Embedded application features
    • Low voltage supply: 2.7V – 3.6V
    • Secure nonvolatile storage for sensitive system or user information
    • Two-wire serial interface (TWI, 5V compatible)
    • 1.0MHz compatibility for fast operation
    • Standard 8-lead plastic packages, green compliant (exceeds RoHS)
    • Same pin configuration as Atmel® AT24CXXX Serial EEPROM in SOIC and PDIP packages
• High reliability
    • Endurance: 100,000 cycles
    • Data retention: 10 years
    • ESD protection: 2,000V min