ATSHA204A-STUCZ-T Electronic Components

The ATSHA204A-STUCZ-T Electronic Components Components device includes an Electrically Erasable Programmable Read-Only Memory (EEPROM) array that can be used for key storage, miscellaneous read/write data, read-only, secret data, consumption logging,and security configuration. Access to the various sections of memory can be restricted in a variety of ways, and the configuration can then be locked to prevent changes. 

Product Features

-Crypto Element with Protected Hardware-based Key Storage 

-Secure Symmetric Authentication Device 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 I2 C Interface 
2.0V to 5.5V Supply Voltage Range 
1.8V to 5.5V Communications Voltage Range

Product Applications

Secure Download and Boot 
Ecosystem Control 
Anti-cloning 
Message Security