ATAES132_14 Datasheet, PDF (1/171 Pages) ATMEL Corporation – 32K AES Serial EEPROM Specification

ATAES132
32K AES Serial EEPROM Specification
DATASHEET
Features
 32Kb Standard Serial EEPROM User Memory
o Compatible with the Atmel^® AT24C32D and the Atmel AT2530B
o 16 User Zones of 2Kb Each
 High-security features
o AES Algorithm with 128-bit Keys
o AES-CCM for Authentication
o Message Authentication Code for Cryptographic Operations
o Secure Storage for Sixteen 128 bit Keys
o Encrypted User Memory Read and Write
o FIPS Random Number Generator
o 16 High-Endurance Monotonic EEPROM Counters
 Flexible User Configured Security
o User Zone Access Rights Independently Configured
o Authentication Prior to Zone Access
 Read/Write, Encrypted, or Read-only User Zone Options
 High-speed Serial Interface Options
o 10MHz SPI (Mode 0 and 3)
o 1MHz I²C
 2.5V to 5.5V Supply, <250nA Sleep
 Serial EEPROM Compatible Pinout Packages: SOIC, SOP, or UDFN
 Operating Temperature Range: -40°C to +85°C
Description
The Atmel ATAES132 is a high-security, Serial Electrically-Erasable and Programmable
Read-Only Memory (EEPROM) providing both authentication and confidential nonvolatile
data storage capabilities. Access restrictions for the 16 user zones are independently
configured and any key can be used with any zone. Keys can also be used for standalone
authentication. This flexibility permits the ATAES132 to be used in a wide range of
applications.
The AES-128 cryptographic engine operates in AES-CCM mode to provide authentication,
stored data encryption/decryption, and Message Authentication Codes. Data
encryption/decryption can be performed for internally stored data or for small external data
packets, depending upon the configuration. Data encrypted by one ATAES132 device can
be decrypted by another, and vice versa.
Atmel-8760C-CryptoAuth-ATAES132-Datasheet_102013