芯片AT88SC3216C

AT88SC3216C 32 Kbit CryptoMemory. 
AT88SC3216C Features:
. One of a Family of Devices with User Memories from 1-Kbit to 1-Mbit
. 32-Kbit (4-Kbyte) EEPROM User Memory
– Sixteen 256-byte (2-Kbit) Zones
– Self-timed Write Cycle (5 ms)
– Single Byte or 128-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 (under
exclusive patent license from 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
– Supports Protocol and Parameters Selection for Faster Operation
– 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 EEPROMs
. High Reliability
– Endurance: 100,000 Cycles
– Data Retention: 10 years
– ESD Protection: 4,000V min
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