ATECC608A-SSHCZ-B Microchip

ATECC608A Microchip CryptoAuthentication Device 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 Guaranteed Unique 72-bit Serial Number Two Interface Options Available: High-speed Single Pin Interface with One GPIO Pin 2 1 MHz Standard I C 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 Packages Applications IoT network endpoint key management & exchange Encryption for small messages and PII data Secure Boot and Protected Download Ecosystem Control, Anti-cloning Datasheet Summary DS40001977A-page 1 2017 Microchip Technology Inc. ATECC608A Pin Configuration and Pinouts Table 1.Pin Configuration Pin Function NC No Connect GND Ground SDA Serial Data SCL Serial Clock Input VCC Power Supply Figure 1.Pinouts 8-lead SOIC 8-pad UDFN 3-lead Contact (Top View) (Top View) (Top View) NC V NC 1 8 V 1 8 CC CC NC 2 7 NC NC 2 7 NC 1 SDA NC SCL 3 6 3 6 NC SCL GND 4 5 SDA GND 4 5 SDA 2 GND 3 VCC DS40001977A-page 2 Datasheet Summary 2017 Microchip Technology Inc.