ATSHA204A
Overview
- 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
