Features
■ ISO 14443-2 Type B air interface compliant
■ ISO 14443-3 Type B frame format compliant
■ 13.56 MHz carrier frequency
■ 847 kHz subcarrier frequency
■ 106 Kbit/second data transfer
■ 8 bit Chip_ID based anticollision system
■ 2 count-down binary counters with automated anti-tearing protection
■ 64-bit Unique Identifier
■ 512-bit EEPROM with write protect feature
■ Read_block and Write_block (32 bits)
■ Internal tuning capacitor: 68 pF
■ 1 million erase/write cycles
■ 40-year data retention
■ Self-timed programming cycle
■ 5 ms typical programming time Product status link ST25TB512-AC 13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions ST25TB512-AC Datasheet DS11495 - Rev 8 - February 2023 For further information contact your local STMicroelectronics sales office.