Serial I²C bus EEPROM smartcard Manufacturer: Microchip with part number reference: 24LC64 Memory size : 64Kbits (80192 Bytes of 8-bits) Blank Smartcard without any software to create a prototype I²C standard 2-wires serial interface programming only Read / Write mode: see datasheet of Microchip 24LC64 for details Power supply: 1.8V to 5.5V Erase / Write cycles: 1,000,000 times minimum Data retention: 200 years minimum Maximum Frequency: 400KHz Temperature: -40°C to +85°C Dimensions: 85 x 53 x 1 mm Weight: 10g