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Custom NFC Tags with ST25

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nfc products by ST

The ST25 series of NFC inlays belong to an entire ecosystem of products from ST which also include NFC readers, NFC controllers, and dynamic NFC tags.

ST25TV series: ISO 15693 NFC Forum Type 5 certified tags suited for product identification, anti-counterfeiting, gaming applications and more.

ST25TA series: ISO 14443 Type A NFC Forum Type 4 certified tags suited for smart posters, business cards, gaming, NFC tags and more.


  • ISO/IEC 15693 & NFC Forum Type 5

  • TruST25™ digital signature (ST25TV512 and ST25TV02K)

  • Tamper detection

  • Multi-password protection

  • Electronic article surveillance 

  • Kill and Privacy modes

  • Fast operations, up to 53 kb/s speed

  • Up to 2kbit EEPROM memory with Lock per memory blocks

  • 32/64-bit encrypted passwords

  • 16-bit counter for 1st write access monitoring

  • 60-year data retention


  • 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

  • 20-bit events counter with anti-tearing

  • Data protection with 128-bit password in Read and Write access 

  • Optional user-programmable digital output (Field detect, Write In Progress, RF busy,…)