Benefits and Features
● Robust Countermeasures Protect Against Security
Attacks
• All Stored Data Cryptographically Protected from
Discovery
● Efficient Secure Hash Algorithm to Authenticate
Peripherals
• FIPS 202-Compliant SHA-3 Algorithm for
Challenge/Response Authentication
• FIPS 198-Compliant Keyed-Hash Message
Authentication Code (HMAC)
● Supplemental Features Enable Easy Integration into
End Applications
• 17-Bit, One-Time Settable, Nonvolatile Decrement-
Only Counter with Authenticated Read
• Secure Storage for Secrets
• 256 Bits of Secure EEPROM for User Data
• Unique and Unalterable Factory Programmed
64-Bit Identification Number (ROM ID)
• I2C Communications up to 1MHz
• Operating Range: 1.62V to 3.63V, -40°C to +85°C
• 8-Pin, 2mm x 2mm TDFN-EP Package
Applications
● Medical Tools/Accessories Authentication and
Calibration
● Accessory and Peripheral Secure Authentication
● Battery Authentication and Charge Cycle Tracking