Seeit 2 KB Smart Card

Serial I²C bus EEPROM Smartcard
Manufacturer: Microchip with part number reference: 24LC16B
Memory size: 16Kbits (2048 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 24LC16B for details
Power supply: 2.5V to 5.5V
Erase / Write cycles: 1,000,000 times minimum
Data retention: 10 years minimum
Maximum Frequency: 400KHz
Temperature: -55°C to +125°C
Dimensions: 85 x 53 x 1 mm
Weight: 10g