SEC01

Security ICs

ATECC608(A/B(

Microchip Security Verification / Encryption IC available at JLCPCB (part no: C616908 (ATECC608A) or C17350254 (ATECC608B)) at $2.00.

Features

• 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 on-board 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 Wire Interface with One GPIO Pin
  • 1 MHz Standard I2C Interface

• 1.8V to 5.5V IO Levels, 2.0V to 5.5V Supply Voltage • Two Temperature Ranges Available:

• • Standard Industrial Temperature Range: -40℃ to +85℃
  • Extended Industrial Temperature Range: -40℃ to +100℃

• <150 nA Sleep Current • Packaging Options

• • 8-pad UDFN, 8-lead SOIC and 3-Lead Contact Package Options
  • Die-on-Tape and Reel and WLCSP for Qualified Customers (Contact Microchip Sales)

Miscellaneous Links

• ATECC608B CryptoAuthenticatn Device Summary Data Sheet