AT88SC018 查看數據表（PDF） - Atmel Corporation

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AT88SC018

CryptoCompanion™ Chip for CryptoMemory and CryptoRF

Atmel Corporation 

Features

• Companion Chip to CryptoRF® and CryptoMemory®

⎯ Securely implements host algorithms

⎯ Securely stores host secrets

⎯ Verifies Host Firmware Digests

• High Security Features in Hardware

⎯ CryptoMemory and CryptoRF F2 Algorithm

⎯ SHA-1 Standard Cryptographic Algorithm

⎯ 64-bit Mutual Authentication Protocol (Under License of ELVA)

⎯ Permanently Coded Serial Numbers

⎯ 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

⎯ Data Retention

⎯ ESD Protection

: 100,000 Cycles

: 10 years

: 3,000 V min. HBM

CryptoCompanion™

Chip for

CryptoMemory and

CryptoRF

AT88SC018

Summary

5277DS–CryptoCompanion–9/09

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