مدار مجتمع (آی سی) آی سی‌کاربرد ویژه

Product Attributes

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°C to +85°C Extended Industrial Temperature Range: -40°C to +100°C
• < 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)

Applications

• IoT network endpoint key management & exchange
• Encryption for small messages and PII data
• Secure Boot and Protected Download
• Ecosystem Control, Anti-cloning