ST25TA512B-AC6F5

The ST25TA512B and ST25TA02KB devices are NFC tag ICs, with an optional general purpose output available on ST25TA02KB-D and ST25TA02KB-P.

They embed an up to 2 -Kbit EEPROM, and can be operated from a 13.56 MHz RFID reader or an NFC phone.

The ST25TA512B, ST25TA02KB, ST25TA02KB-D and ST25TA02KB-P devices are NFC Forum Type 4 Tags.

They communicate using the ISO/IEC 14443 Type A protocol, and feature a digital signature generated by TruST25™ (a set of software and procedures) used to prove the origin of the chip in cloning detection.

Key Features

• Contactless interface
  • NFC Forum Type 4 Tag, certified by the NFC Forum
  • ISO/IEC 14443 Type A
  • 106 kbps data rate
  • Internal tuning capacitance: 50 pF
• Memory
  • Up to 256-byte (2-Kbit) EEPROM
  • Support NDEF data structure
  • Data retention: 200 years
  • Endurance: 1 million erase-write cycles
  • Read up to 256 bytes in a single command
  • Write up to 54 bytes in a single command
  • Chaining capability
  • 7-byte unique identifier (UID)
  • 128-bit password protection
  • 20-bit event counter with anti-tearing
• Product identification and protection
  • TruST25™ digital signature
• Package
  • UFDFPN5 ECOPACK® 2
• Digital output
  • GPO: configurable general purpose output
    • driven by an open drain transistor, available on ST25TA02KB-D only
    • enabling no DC consumption (CMOS output buffer), available on ST25TA02KB-P only.