ST Life.augmented

ST25TA series

The ST25TA series (formerly known as SRTAG series) provides an NFC Forum tag type 4 RF interface and supports the NFC data exchange format (NDEF). This enables NFC use cases such as NFC tag, NFC token, NFC smart poster, NFC business card (Virtual card). It can be used in a wide variety of applications, including consumer electronics, computer peripherals, gaming, home appliances, industrial automation and healthcare products.

  • NFC forum tag type 4 based on ISO14443-A RF interface
  • EEPROM memory density from 512-bit to 64-Kbit with built-in NDEF message support
  • High-speed RF operation (106 Kbit/s)
  • Data protection with 128-bit password in Read and Write access 
  • Optional user-programmable CMOS output (Field detect, Write In Progress, RF busy,…)
ST25TA NFC Evaluation Board


The new CLOUD-ST25TA evaluation board offers all the features developers need to evaluate the ST25TA NFC tags. This low-cost evaluation platform can be used to develop many emerging applications like smart posters for advertising, wireless pairing in consumer devices, interactive-play gaming and NFC-enabled business cards or smart signs. The CLOUD-ST25TA evaluation board is available with supporting documentation and software including the user manual, gerber file, BOM, schematics and software enabling developers to access the ST25TA features from an NFC enabled smartphone as well as a demo Android app.
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