AT88SC018-SU-CM Microchip

A Companion Chip For Atmel CryptoRF & CryptoMemory Products Features Companion Chip to CryptoRF and CryptoMemory Securely implements host algorithms Securely stores host secrets CryptoCompanion Verifies Host Firmware Digests Chip for High Security Features in Hardware CryptoMemory and CryptoMemory and CryptoRF F2 Algorithm SHA-1 Standard Cryptographic Algorithm CryptoRF 64-bit Mutual Authentication Protocol (Under License of ELVA) Permanently Coded Serial Numbers AT88SC018 High Quality Random Number Generator (RNG) Metal Shield Over Memory Data Scrambling in Nonvolatile Memory Delay Penalties to prevent Systematic Attacks Reset Locking to prevent Illegal Power Cycling Voltage and Frequency Monitors Host-side Crypto Functions Authentication Challenge Generation Device Challenge Response Message Authentication Codes (MAC) Generation Data Encryption and Decryption Secure Authentication Key Management Secure Storage and Key Management Up to 16 sets of 64-bits Diversified Host Keys Eight Sets of Two 24-bit Passwords Secure and Custom Personalization Up to 232-Byte Read/Write Configurable User Data Area Nonvolatile Up Counters Four sets Unidirectional Counters 6.4 Million Maximum Counts Per Counter Application Features Low Voltage Supply: 2.7V 3.6V 2-Wire Serial Interface (TWI, 5V Compatible) Standard 8-lead SOIC Plastic Package, Green compliant (exceeds RoHS) High Reliability Endurance : 100,000 Cycles Data Retention : 10 years ESD Protection : 3,000 V min. HBM 5277CCryptoCompanion9/09 1. Product Overview The AT88SC018 is designed as the mate to Atmels CryptoRF (CRF) and CryptoMemory (CM) chips, collectively referred to in the remainder of this document as CRF. Within the operation descriptions, the AT88SC018 CryptoCompanion chip is sometimes referred to as CMC or CryptoMemory Companion chip. The AT88SC018 makes extensive use of the SHA-1 hash algorithm as specified in