Benefits and Features
●Robust Countermeasures Protect Against SecurityAttacks
•All Stored Data Cryptographically Protected fromDiscovery
●ECC P-256 Secure Compute Engine
•Preprogrammed and Write-Protected ECC P-256Key Pair
•FIPS 186-4 Compliant ECDSA for StrongChallenge/Response Authentication
•ECDSA Authenticated R/W of Configurable Memory
●TRNG Used for Secure ECDSA Nonces
●Supplemental Features Enable Easy Integration intoEnd Applications
•17-Bit, One-Time Settable, Nonvolatile Decrement-Only Counter with Authenticated Read
•3Kb of Secure EEPROM for User Data, Keys,Certificate, and Secure Counter
•Unique and Unalterable Factory-Programmed,64-Bit Identification Number (ROM ID)
•Authenticity Verification with ECDSA UsingPreprogrammed Maxim Certificate
•Advanced 1-Wire Protocol Minimizes Interface toSingle Contact
•Full-Time Overdrive Communication Speed
•Operating Range: -40°C to +85°C, 1.62V to 5V
•4-Bump WLP and 6-Pin TSOC Packages
•3.5μA (typ) Input Load Current
•High ESD Immunity of 1-Wire Pin: ±8kV HumanBody Model (HBM), typ

Applications
●Battery Authentication and Charge Cycle Tracking
●Medical Tools/Accessories Authentication andCalibration
●Accessory and Peripheral Secure Authentication