EEPROM Serial-2Wire 1Kbit 256 x 4 3.3V/5V 8Pin M2 - J Module
* One of a family of devices with user memories from 1Kbit to 8Kbit * EEPROM user memory * Four or eight zones * Self-timed write cycles * Single-byte or multiple-byte page-write modes * Programmable access rights for each zone * 2Kbit configuration zone * 37-byte OTP 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 monitor * Embedded application features * Low voltage supply: 2.7V to 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 pinout as two-wire Serial EEPROMs * Smart card features * ISO 7816 Class B 3V operation * ISO 7816-3 asynchronous T = 0 protocol Gem plus® 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 ATR register * ISO 7816-2 compliant moduls * High Reliability * Endurance: 100,000 cycles * Data retention: 10 years * ESD protection: 2,000V