Features
• One of a Family of Devices with User Memories from 1 Kbit to 8-Kbit
• 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
• 2-Kbit 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
? 2-wire Serial Interface (TWI, 5V Compatible)
? 1.0 MHz Compatibility for Fast Operation
? Standard 8-lead Plastic Packages, Green compliant (exceeds RoHS)
? Same Pinout as 2-wire Serial EEPROM''''s
• 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 2-wire Serial Interface for Faster Device Initialization
? Programmable 8-byte Answer-To-Reset Register
? ISO 7816-2 Compliant Modules
• High Reliability
? Endurance: 100,000 Cycles
? Data Retention: 10 years
? ESD Protection: 2,000V