• Part: ATSHA204A
  • Description: Secure Authentication and Validation Device
  • Manufacturer: Atmel
  • Size: 739.54 KB
Download ATSHA204A Datasheet PDF
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Datasheet Summary

Atmel CryptoAuthentication 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-patible High-Speed, Single-Wire Interface 1MHz I2C Interface - - - - - 2.0V to 5.5V Supply Voltage Range 1.8V...