ATSHA204A_14 Datasheet, PDF (1/82 Pages) ATMEL Corporation – Atmel CryptoAuthentication

ATSHA204A
Atmel CryptoAuthentication
DATASHEET
Features
 Secure Authentication and Validation Device
 Integrated Capability for Both Host and Client Operations
 Superior SHA-256 Hash Algorithm with Message Authentication Code (MAC)
and Hash-Based Message Authentication Code (HMAC) Options
 Best-in-class, 256-bit Key Length; Storage for Up to 16 Keys
 Guaranteed Unique 72-bit Serial Number
 Internal, High-quality Random Number Generator (RNG)
 4.5Kb EEPROM for Keys and Data
 512 bit OTP (One Time Programmable) Bits for Fixed Information
 Multiple I/O Options
̶ UART-compatible High-Speed, Single-Wire Interface
̶ 1MHz I²C Interface
 2.0V to 5.5V Supply Voltage Range
 1.8V to 5.5V Communications Voltage Range
 <150nA Sleep Current
 Extended, Multi-level Hardware Security
 8-lead SOIC, 8-lead TSSOP, 3-lead SOT23, 8-pad UDFN, 8-pad XDFN, and
3-lead CONTACT Packages
Applications
 Anti-clone Protection for Accessories, Daughter Cards, and Consumables
 Secure Boot Validation, Software Anti-piracy
 Network and Computer Access Control
 Key Exchange for Encrypted Downloads
 Authenticated/Encrypted Communications for Control Networks
Atmel-8885D-CryptoAuth-ATSHA204A-Datasheet_072014