ATECC608A IC: Datasheet, Pinout and Application

The ATECC608A is a member of the Microchip Crypto Authentication™ family of high-security cryptographic devices which combine world-class hardware-based key storage with hardware cryptographic accelerators to implement various authentication and encryption protocols.

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3D Model

Microchip Technology ATECC608A-SSHCZ-B technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATECC608A-SSHCZ-B.

•Cryptographic Co-Processor with Secure Hardware-Based Key Storage:

  – Protected storage for up to 16 keys, certificates, or data

• Hardware Support for Asymmetric Sign, Verify, Key Agreement:

  – ECDSA: FIPS186-3 Elliptic Curve Digital Signature

  – ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman

  – NIST Standard P256 Elliptic Curve Support

• Hardware Support for Symmetric Algorithms:

  – SHA-256 & HMAC Hash including off-chip context save/restore

  – AES-128: Encrypt/Decrypt, Galois Field Multiply for GCM

• Networking Key Management Support:

  – Turnkey PRF/HKDF calculation for TLS 1.2 & 1.3

  – Ephemeral key generation and key agreement in SRAM

  – Small message encryption with keys entirely protected

• Secure Boot Support:

  – Full ECDSA code signature validation, optional stored digest/signature

  – Optional communication key disablement prior to secure boot

  – Encryption/Authentication for messages to prevent onboard attacks

• Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG)

• Two High-Endurance Monotonic Counters

• Unique 72-Bit Serial Number

• Two Interface Options Available:

  – High-speed Single Pin Interface with One GPIO Pin

  – 1 MHz Standard I2C Interface

• 1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage

• <150 nA Sleep Current

• 8-pad UDFN and 8-lead SOIC

• Die-on-Tape and Reel for Qualified Customers (Contact Microchip Sales)

• IoT network endpoint key management & exchange

• Encryption for small messages and PII data

• Secure Boot and Protected Download

• Ecosystem Control, Anti-cloning

The ATECC608A chip is capable of many cryptographic processes, including, but not limited to: Creating and securely storing unique asymmetric key pairs based on Elliptic Curve Cryptography (FIPS186-3). ... SHA-256 & HMAC Hash including off-chip context save/restore. 

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Download datasheets and manufacturer documentation for Microchip Technology ATECC608A-SSHCZ-B.