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 combined together to provide space for 1 to 4 data files.
●Features
●• One of a Family of 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 Patented Dynamic Symetric 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
●• 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
● – 1.5 MHz Compatibility for Fast Operation
● – Standard 8-lead Plastic Packages
● – Same Pinout as 2-wire Serial EEPROM"s
●• High Reliability
● – Endurance: 100,000 Cycles
● – Data Retention: 10 years
● – ESD Protection: 4,000V min
