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ISO/IEC 14443 Type B-Compliant 1Kb Memory Fob

Unique Identification and Information About a Person or Object

Product Details

Key Features

Simplified Block Diagram

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Key Features

  • Fully Compliant ISO/IEC 14443 (Parts 2-4) Type B Interface
  • 13.56MHz ±7kHz Carrier Frequency
  • 1024-Bit User EEPROM with Block Lock Feature, Write-Cycle Counter, and Optional EPROM-Emulation Mode
  • 64-Bit UID
  • Read and Write (64-Bit Block)
  • Supports AFI and CID Function
  • 10ms Maximum Programming Time
  • To Fob: 10% ASK Modulation at 105.9kbps, 211.9kbps, 423.75kbps, or 847.5kbps
  • From Fob: Load Modulation Using BPSK Modulated Subcarrier at 105.9kbps, 211.9kbps, 423.75kbps, or 847.5kbps
  • 200,000 Write/Erase Cycles (Minimum)
  • 40-Year Data Retention (Minimum)
  • Powered Entirely Through the RF Field
  • Operating Temperature: -25°C to +50°C

Applications/Uses

  • Access Control
  • Asset Tracking
  • Driver Identification (Fleet Application)

Description

The MAX66020 combines 1024 bits of user EEPROM, a 64-bit unique identifier (UID), and a 13.56MHz RF interface (ISO/IEC 14443 Type B, Parts 2-4) in a plastic key fob. The memory is organized as 16 blocks of 8 bytes plus two more blocks for data and control registers. Four adjacent user EEPROM blocks form a memory page (pages 0 to 3). Memory protection features are write protection and EPROM emulation, which the user can set for each individual memory page. Memory access is accomplished through the block transmission protocol (ISO/IEC 14443-4), where requests and responses are exchanged through I-blocks once a device is in the ACTIVE state. The data rate can be as high as 847.5kbps. The reader must support a frame size of 19 bytes. The device supports an application family identifier (AFI) and a card identifier (CID). ISO/IEC 14443 functions not supported are chaining, frame-waiting time extension, and power indication.

Simplified Block Diagram

MAX66020: Typical Operating Circuit MAX66020: Typical Operating Circuit Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .