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MAX66240
  • MAX66240
  • MAX66240
  • MAX66240

MAX66240

RECOMMENDED FOR NEW DESIGNS

DeepCover Secure Authenticator with ISO 15693, SHA-256, and 4Kb User EEPROM Industry's First SHA-256 Symmetric Key-Based Authenticator

Analog Devices MAX66240 Product Info

10 February 2026 6

Features

  • Dedicated Hardware-Accelerated SHA Engine
  • Strong Authentication with a High Bit Count User-Programmable Secret and Input Challenge
  • 4096 Bits of User EEPROM with User-Programmable R/W Protection Options Including OTP/EPROM Emulation Mode
  • Unique Factory-Programmed 64-Bit Identification Number
  • ISO/IEC 15693: Up to 26kbps
  • ±2kV HBM ESD Protection for All Pins

Part details & applications

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

The DeepCover Secure Authenticator (MAX66240) is a transponder IC that combines an ISO/IEC 15693 and ISO 18000-3 Mode 1-compatible RF front-end, a FIPS 180-based SHA-256 engine, and 4096 bits of user EEPROM in a single chip. A bidirectional security model enforces two-way authentication between a host system and the MAX66240. Each device has its own guaranteed unique 64-bit ROM ID that is factory programmed into the chip. This ROM ID is used as a fundamental input parameter for cryptographic operations and serves as an electronic serial number within the application.

Applications

  • Access Control
  • Asset Tracking
  • Medical Sensor Authentication and Calibration
  • Printer Cartridge Configuration and Monitoring
  • System Intellectual Property Protection

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