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

♦ Symmetric Key-Based Bidirectional Secure Authentication Model Based on SHA-256

♦ Dedicated Hardware-Accelerated SHA Engine for Generating SHA-256 MACs

♦ Strong Authentication with a High Bit Count, UserProgrammable Secret, and Input Challenge

♦ 4096 Bits of User EEPROM Partitioned Into 16 Pages of 256 Bits

♦ User-Programmable and Irreversible EEPROM Protection Modes Including Authentication, Write and Read Protect, and OTP/EPROM Emulation

♦ 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, -40NC to +85NC

♦ Low-Power 5µA (typ) Standby

♦ ±8kV Human Body Model ESD Protection (typ)

♦ 2-Pin SFN, 2-Pin TO-92, 6-Pin TDFN, and 6-Pin TSOC Packages

Applications

    Authentication of Network-Attached Appliances

    Printer Cartridge ID/Authentication

    Reference Design License Management

    System Intellectual Property Protection

    Sensor/Accessory Authentication and Calibration

    Secure Feature Setting for Configurable Systems

    Key Generation and Exchange for Cryptographic Systems