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Description

The ATSHA204A 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.

Features

1. Best-in-class, 256-bit Key Length; Storage for Up to 16 Keys

2. Guaranteed Unique 72-bit Serial Number

3. Internal, High-quality Random Number Generator (RNG)

4. 4.5Kb EEPROM for Keys and Data