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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