Feature
• One of a Family of 9 Devices with User Memories from 1 Kbit to 256-Kbit
• 1-Kbit (128-byte) EEPROM User Memory
- Four 32 byte (256 bit) Zones
- Self-timed Write Cycle
- Single Byte or 16-byte Page Write Mode
- 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
- 64-bit Mutual Authentication Protocol (Under License of ELVA)
- Encrypted Checksum
- Stream Encryption
- Four Key Sets for Authentication and Encryption
- Eight Sets of Two 24-bit Passwords
- Anti-tearing Function
- Voltage and Frequency Monitor
• Smart Card
- ISO 7816 Class A (5V) or 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
• Embedded Application
- Low Voltage Operation: 2.7V to 5.5V
- Secure Nonvolatile Storage for Sensitive System or User Information
- 2-wire Serial Interface
- 1.0 MHz Compatibility for Fast Operation
- Standard 8-lead Plastic Packages, Green Compliant (exceeds RoHS)
- Same Pinout as 2-wire Serial EEPROMs
• High Reliability
- Endurance: 100,000 Cycles
- Data Retention: 10 years
- ESD Protection: 4,000V min
