The N24RF64 is a RFID/NFC tag with a 64 Kb EEPROM device, offering both contactless and contact interface. In addition to the ISO/IEC 15693 radio frequency identification (RFID) interface protocol, the device features an I2C interface to communicate with a microcontroller. The I2C contact interface requires an external power supply.The 64 Kb EEPROM array is internally organized as 2048 x 32 bits in RF mode and as 8192 x 8 bits when accessed from the I2C interface.