ST’s dynamic NFC / RFID tags feature up to 64-Kbit of EEPROM memory which can be accessed either through a low-power I²C interface or an RF contactless interface operating at 13.56 MHz.  Both short-range (ISO14443-A) and long-range (ISO15693) standards are supported:

  • ST25DV series: ISO15693 NFC forum type 5 certified dynamic tags suited for consumer electronics, industrial, metering, electronic shelf labels IoT objects and more.
  • M24LR series: ISO15693  dynamic tags optimized for industrial, metering, healthcare, medical equipment and more.
  • M24SR series: ISO14443-A NFC forum type 4 dynamic tags designed for consumer electronics, wearables, home appliances and more.

Standard compliant

  • ISO14443A
  • ISO15693
  • NFC Forum



  • 13.56MHz HF interface
  • I2C interface
  • Energy Harvesting
  • Configurable output signal (GPO)
  • Fast Transfer Mode

Best-In-Class memory

  • From 2-Kbit to 64-Kbit
  • Up to 200 years data retention
  • 1M erase-write cycles
  • Up to 128-bit passwords


  • Documentation
  • Evaluation boards
  • Antenna Design Tool
  • Associated software
  • ST community

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