NTAG I²C Plus 2K: NFC Forum Type 2 Tag with I²C Interface

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Block Diagram

Contactless and contact system

Contactless and contact system

Features

Key features

  • Pass-through mode
    • Up to 40 kbit/s using 64 byte SRAM buffer
  • Energy harvesting
    • Up to 15 mW
    • Wake up host with field detect pin
  • Password protection
    • 32-bit password to restrict access to EEPROM and SRAM
  • Originality signature
    • 32-byte elliptic curve based originality signature to protect cloning

NFC interface

  • Interoperability
    • Fully ISO/IEC 14443 A compliant
    • Fully NFC Forum Type 2 Tag compliant
    • One to one backward compatible to NTAG I²C
  • Uniqueness
    • 7-byte Unique Identifier (according to ISO/IEC 14443-3)
    • GET_VERSION command for easy identification of chip type and supported features
    • 32-byte originality signature
  • ISO/IEC 14443 and NFC Forum Type 2 Tag features
    • Operating distance up to 100 mm
    • True anti-collision
    • 4-byte write operation in < 4.8 ms to EEPROM and < 0.8 ms to SRAM
    • 64-byte write operation (FAST_WRITE) in < 6.1ms to SRAM

I2C interface

  • Features
    • I²C target interface supports up to 400 kHz
    • 16-byte write operation in < 4.5 ms to EEPROM and < 0.4 ms to SRAM
    • This device may be used as standard I²C EEPROM or I²C SRAM

Security

  • NFC Forum Type 2 Tag features
    • 7-byte Unique Identifier
    • One time programmable Capability Container
    • Read-only locking
  • Special features
    • Elliptic curve based originality signature
    • 32-bit password protection
    • Protected data can be safeguarded against a limited number of negative password authentication attempts
    • Access restriction from an I²C perspective
    • Pass-through and mirror mode operations may be password protected

Memory

  • Built-in memory
    • 1912 or 888-bytes freely available user memory area
    • 64-bytes SRAM
  • Specification
    • 20 years of data retention
    • 500.000 write cycles

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Documentation

Quick reference to our documentation types.

1-10 of 13 documents

Compact List

Application Note (5)
Brochure (1)
Data Sheet (1)
Package Information (2)
Packing Information (2)
Supporting Information (1)
Technical Notes (1)

Design Files

Hardware

Quick reference to our board types.

2 hardware offerings

Software

Quick reference to our software types.

2 software files

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

4 engineering services

To find additional partner offerings that support this product, visit our Partner Marketplace.

Training

9 trainings

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Support

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