MICROCHIP ATECC508A-MAHDA-T

CryptoAuthentication Ensures Things and Code are Real, Untampered, and Confidential. Secure Download and Boot Authentication and Protect Code In-transit. Ecosystem Control Ensure Only OEM/Licensed Nodes and Accessories Work. Anti-cloning Prevent Building with Identical BOM or Stolen Code. Message Security Authentication, Message Integrity, and Confidentiality of Network Nodes (IoT).

• Cryptographic Co-processor with Secure Hardware-based Key Storage
• Performs High-Speed Public Key (PKI) Algorithms ECDSA: FIPS186-3 Elliptic Curve Digital Signature Algorithm ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman Algorithm
• NIST Standard P256 Elliptic Curve Support
• SHA-256 Hash Algorithm with HMAC Option
• Host and Client Operations
• 256-bit Key Length Storage for up to 16 Keys
• Two high-endurance monotonic counters
• Guaranteed Unique 72-bit Serial Number
• Internal High-quality FIPS Random Number Generator (RNG)
• 10Kb EEPROM Memory for Keys, Certificates, and Data Storage for up to 16 Keys
• Multiple Options for Consumption Logging and One Time Write Information
• Intrusion Latch for External Tamper Switch or Power-on Chip Enablement
• Multiple I/O Options: High-speed Single Pin Interface, with One GPIO Pin 1MHz Standard I²C Interface
• 2.0V to 5.5V Supply Voltage Range
• 1.8V to 5.5V IO levels
• <150nA Sleep Current
• 8-pad UDFN, 8-lead SOIC, and 3-lead CONTACT Packages

• IoT Node Security and ID
• Secure Download and Boot
• Ecosystem Control
• Message Security
• Anti-Cloning