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AT88SC0404C 芯片成功解密

时间:2010-11-09 08:57:54

该AT88SC0404C芯片是CryptoMemory家庭成员之一,具有高性能安全内存,可提供4个用户使用先进的安全和英寸的内置加密功能,用户存储器分为四个内存Kbits的128字节的区域,每一个可能被单独划分不同的设置安全访问权限或组合在一起,提供1至4个数据文件的空间。
AT88SC0404C Features:
· One of a Family of Devices with User Memories from 1 Kbit to 1 Mbit
· 4-Kbit(512-byte)EEPROM User Memory
– Four 128-byte(1-Kbit)Zones
– Self-timed Write Cycle(5 ms)
– 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 (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(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 EEPROMs
· High Reliability
– Endurance: 100,000 Cycles
– Data Retention: 10 years
– ESD Protection: 4,000V min
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