Features
- A Family of Nine Devices with User Memories from 1-Kbit to 256-Kbit
- EEPROM User Memory
- 4, 8, or 16 zones
- Self-timed write cycles
- Single-byte or multiple-byte page write modes
- Programmable access rights for each zone
- 2-Kbit Configuration Memory
- 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
- 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
- Embedded Application Features
- Low-voltage operation: 2.7V to 5.5V
- Secure nonvolatile storage for sensitive system or user information
- Two-Wire serial interface
- 1 MHz compatibility for fast operation
- Standard 8-lead plastic packages
- Same pinout as Two-Wire serial EEPROMs
- Smart Card Features
- High Reliability
- Endurance: 100,000 cycles
- Data retention: 10 years
- ESD Protection: 4,000V
Note: * Modules available with either Two-Wire or T = 0 modes.