ST25 NFC / RFID Tags & Readers

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With the ST25 product family, ST offers a complete portfolio of NFC and RFID tag and reader ICs for a wide variety of NFC-enabled solutions.

Currently found in contactless payment, access control and public transport ticketing systems, NFC technology is a convenient, always-on low power short-range wireless link that is driving the growth for convenient pairing, diagnostic readout, data tracking, and parameter setting use cases in Consumer, Industrial, Automotive and Medical applications.

The benefit of our 10 years longevity program is available for Industrial-grade and Medical NFC / RFID applications.

Discover our NFC / RFID Product Portfolio

ST25T NFC / RFID tags

nfc rfid tag

The ST25T series of NFC / RFID tags feature:

  • 13.56 MHz HF interface
  • ISO 14443 Type A/B, ISO 15693, NFC Forum Type 2, Type 4 and Type 5
  • From 521-bit to 64-Kbit memory
  • Augmented NDEF
  • Unique Tap Code (UTC)
  • Up to 128-bit password
  • Untraceable mode & kill mode
  • TruST25 Digital signature
  • Tamper detection
  • Up to 32-bit counter with anti-tearing
  • Field detect output
  • -40 to +85°C temperature range
  • Evaluation tools
  • Antenna design tool

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ST25D Dynamic NFC tags

nfc rfid dynamic tag

The ST25D series of dynamic NFC / RFID tags feature:

  • 13.56 MHz HF interface
  • ISO 14443 Type A, ISO 15693, NFC Forum Type 4 and Type 5
  • From 2-Kbit to 64-Kbit memory
  • I2C interface
  • Energy Harvesting
  • Configurable output
  • Fast Transfer Mode
  • Multiple 64-bit passwords
  • Configurable I2C slave address
  • Up to 2 PWM outputs
  • Low Power mode
  • -40 to +125°C  temperature range
  • Evaluation tools
  • Antenna design tool

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ST25R NFC / RFID readers

nfc rfid reader

The ST25R series of HF readers feature:

  • 13.56 MHz HF interface
  • ISO 14443 Type A/B, ISO 15693, ISO 18092, FeliCa, NFC Forum, EMVCo
  • Very High Baud Rate
  • Peer-to-peer
  • High Output power
  • High Receiver sensitivity
  • Noise reduction receiver
  • EMVCo compliant
  • Automatic Antenna tuning
  • AEC-Q100 qualified
  • -40 to +105°C temperature Range
  • Evaluation tools
  • Antenna Design and Tuning circuit tools 

The ST25RU series of UHF readers feature:

  • 840-960 MHz UHF interface
  • ISO 18000, ISO 29143
  • Direct mode
  • Dense Reader Mode (DRM)
  • Evaluation tools
  • UHF budget link tool

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Give your products a new edge with an integrated NFC solution!

nfc solution

Improve user engagement, enhance product features, and gain valuable insights into user behavior with ST25 NFC readers and tags combined in a Reader+Tag solution. This solution allows you to easily add NFC connectivity to your existing products, thereby ensuring you can design new upgraded versions while keeping costs down.

NFC / RFID tags: ISO 14443 (A/B), ISO 15693, NFC Forum compliant

Operating in the 13.56 MHz RFID HF band, ST25 NFC tags and dynamic tags comply with ISO 14443 type A and B, ISO 15693 and NFC Forum standards and offer a range of EEPROM memory sizes from 512-bit to 64-Kbit.

NFC Forum certified tags and dynamic tags

nfc certified certificationST25TV tags and ST25DV-I2C, ST25DV-PWM dual interface tags are NFC Forum Type 5 certified.
ST25TA tags are NFC Forum type 4 certified.

The certification provides consistency of behavior across NFC implementations and sets the foundation for interoperability.

About ST's NFC / RFID readers

ST25R HF readers are compliant with ISO 14443 type A and B, ISO 15693, ISO 18092, FeliCa and NFC Forum standards. They are supporting very high bit rate (VHBR) technology and up to 1.6 W output power.


rain rfid reader

The ST25RU UHF Rain RFID readers provide multiprotocol support for the 840-960 MHz UHF band compatible with ISO 18000-62/63, ISO 29143 and to GS1's EPC UHF Gen2 Air Interface Protocol.

Learn more about our latest RAIN RFID Reader IC (ST25RU3993) for UHF with EPC Gen2 support.

ST25 Ecosystem: NFC / RFID development & evaluation tools

nfc rfid development evaluation tools

ST offers a comprehensive range of tools to evaluate and develop NFC / RFID solutions: NFC Discovery starter kits, NFC STM32 Nucleo MCU expansion boards, ST25 reference software and antenna design tool in order to ease the design process and cost.

NFC/RFID Calculators to support your design

Our NFC / RFID set of calculators can help you with your ST25 NFC (13.56MHz) or RFID (UHF) designs:

  • NFC Inductance Calculator provides the inductance value of a 13.56MHz rectangular antenna based on your footprint requirements and it applies to all ST25 Tag and Reader products
  • NFC Tuning Circuit Calculator provides the component values of the matching network for a given NFC antenna and it applies to ST25R Readers
  • Link Budget calculator helps you assess whether a UHF RFID Reader can establish an RF link suitable for a reliable Reader /Tag communication and it applies to the ST25RU3993 Reader

NFC: A World of Opportunities

nfc rfid solutions pdf download

Discover ST's NFC Brochure that helps you build the most effective and secure solutions for all your NFC applications.


Download our product presentation

nfc rfid products presentation


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