STMicroelectronics ST25DV64KC-IE8S3 RF RF Module RFID Tag 13.56MHz

The STMicroelectronics product is a NFC RFID tag that offers 64 Kbit of electrically erasable programmable memory EEPROM. The ST25DV64KC offers two interfaces. The first one is an I2C serial link and can be operated from a DC power supply. The second one is an RF link activated when the ST25DV64KC act as a contactless memory powered by the received carrier electromagnetic wave. In I2C mode user memories contain up to 8192 bytes, which could be split in 4 flexible and protectable areas.

Single supply voltage is 1.8 V to 5.5 V
Multiple byte write programming
Configurable I²C slave address
NFC Forum Type 5 tag certified by the NFC Forum
Fast data transfer between I²C and RF interfaces
Half duplex 256 bytes dedicated buffer
Analog output pin to power external components