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Description

The AT88SC0104C member of the CryptoMemory? family is a high-performance secure memory providing 1 Kbit of user memory with advanced security and cryptographic features built in. The user memory is divided into four 32-byte zones, each of which may be individually set with different security access rights or effectively combined together to provide space for 1 to 4 data files.

Features

? 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 Features

- 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 Features

- 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 Features

- 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