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General Description

DeepCover? embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible.

Features

● ECDSA Engine for Public-Key Signature Using a Defined SEC Domain Parameter Set

● On-Chip Hardware Random Number Generator

● Private and Public Key Can Be Computed by the Device or Loaded from Outside with Optional Automatic Locking

● Separate User-Programmable and Lockable Memory Space to Store a Public-Key Certificate

● 17-Bit One-Time Settable, Nonvolatile DecrementOn-Command Counter

● SHA-256 Engine to Compute a Hash of EEPROM Page Data and Host Challenge for Subsequent ECDSA Signing

● 1024 Bit of User EEPROM Organized as Four Pages of 256 Bits

● Programmable and Irreversible User EEPROM Protection Modes Including Write Protection, Read Protection, and OTP/EPROM Emulation for Individual Memory Pages

● Unique Factory-Programmed 64-Bit Identification Number

● Single-Contact 1-Wire Interface Communicates with Host at Up to 76.9kbps

● Operating Range: 3.3V ±10, -40oC to +85oC

● ±8kV HBM ESD Protection (typ) for IO Pin

● 8-Pin TDFN and 6-Pin TSOC Packages

Applications

● Authentication of Consumables

● Peripheral Authentication

● Medical Sensors

● Printer Cartridge Identification and Authentication