Features

  • Cryptographic Authentication Device with Secure Hardware-Based Key Storage:
    • Protected storage for private key, certificates, symmetric key or user data
  • Hardware Support for the Asymmetric Sign:
    • ECDSA: FIPS186-4 Elliptic Curve Digital Signature
    • NIST standard P-256 Elliptic Curve Support
  • Hardware Support for SHA-256 and HMAC
  • Internal Asymmetric Key Generation
  • Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG)
  • Joint Interpretation Laboratory (JIL) Score for Resistance to Attackers with Attack Potential – High
    • Evaluated to the standard “Jil-Application-Of-Attack-Potential-To-Smartcards-V3.1”
    • Achieved through tamper-resistant countermeasures to resist environmental, non-invasive and invasive Fault attacks
  • FIPS 140-3 Compliance Mode Configuration Option
  • Field-Programmable EEPROM:
    • Single ECC private key
    • One device certificate and one CA signer certificate
    • Single symmetric secret key
    • 64-byte user memory
    • >40-year data retention at +55℃
  • Monotonic Counter with the Maximum Count Value of 10,000
  • Unique 72-bit Serial Number
  • Interface Options:
    • 125 kbps Pulse-Width Modulated (PWM) Single-Wire Interface (SWI)
    • 400 kHz fast-mode I2C interface
  • 130 nA Nominal Sleep Current
  • Automotive Temperature of -40℃ to +125℃ Ambient Operating Range
  • Human Body Model (HBM) ESD: I2C Devices : >4 kV; SWI Devices >7 kV
  • Packaging Options:
    • 8-pad UDFN (2 mm x 3 mm), 8-lead SOIC
    • Contact Microchip on the availability of a 3-lead contact package option