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Microchip's SHA-based CryptoAuthentication cryptographic component devices are designed to provide flexible user-configurable security to support a variety of authentication modes.The ATSHA204A-SSHDA-B is the first device in the SHA device group.The ATECC108A and ATECC508A are supersets of the ATSHA204A and are therefore upwardly compatible. ATECC108A and ATECC508A are supersets of ATSHA204A and are therefore upwardly compatible. As with all CryptoAuthentication devices, the ATSHA204A is easy to design and requires no cryptographic expertise.

The Secure Hash Algorithm (SHA) is widely used in most cryptographic systems and remains an important component of most modern authentication protocols. These devices support the SHA-256 standard. the ATSHA204A is the most cost-effective solution in the Microchip CryptoAuthentication portfolio. It integrates the SHA-256 hash algorithm with a 4.5Kb EEPROM to provide robust hardware authentication with secure key/data storage. With its miniature package and single-wire interface, the device is ideally suited for handheld electronic systems and any space-constrained embedded system.

ATSHA204A-SSHDA-B Product Attributes

Product Category: Security ICs / Authentication ICs

Data bus width: 72 bit

Supply Voltage-Max: 5.5 V

Supply Voltage-Minimum: 2 V

Minimum operating temperature: - 40 C

Maximum operating temperature: + 85 C

Mounting style: SMD/SMT

Package / Case: SOIC-8

Humidity Sensitivity: Yes

Operating supply voltage: 2 V to 5.5 V

Series: ATSHA204

Unit Weight: 540 mg

Applications

Secure download and launch

Ecosystem control

Anti-cloning

Information Security

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