ATECC508A Atmel CryptoAuthentication Device SUMMARY DATASHEET Features CryptoAuthentication Cryptographic Co-processor with Secure Hardware-based Key Storage Ensures Things and Code Performs High-Speed Public Key (PKI) Algorithms are Real, Untampered, and ECDSA: FIPS186-3 Elliptic Curve Digital Signature Algorithm Confidential 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. Secure Download and Boot Authentication and Protect Code Multiple I/O Options: In-transit High-speed Single Pin Interface, with One GPIO Pin 2 Ecosystem Control 1MHz Standard I C Interface Ensure Only OEM/Licensed 2.0V to 5.5V Supply Voltage Range Nodes and Accessories Work 1.8V to 5.5V IO levels Anti-cloning Prevent Building with Identical <150nA Sleep Current BOM or Stolen Code 8-pad UDFN, 8-lead SOIC, and 3-lead CONTACT Packages Message Security Authentication, Message Integrity, Applications and Confidentiality of Network Nodes (IoT) IoT Node Security and ID Secure Download and Boot Ecosystem Control Message Security Anti-Cloning This is a summary document. The complete document is available under NDA. For more information, please contact your local Atmel sales office. Atmel-8923BS-CryptoAuth-ATECC508A-Datasheet-Summary 102015 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 ATECC508A Summary Datasheet 2 2 Atmel-8923BS-CryptoAuth-ATECC508A-Datasheet-Summary 102015