ATSHA204A PDF Datasheet
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Description
This is 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 1MH- 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 V.