AT24C Series Cards is a kind of contact IC memory card without encryption process. AT24C Series Card includs various kind of chips such as AT24C01, AT24C02, AT24C64 etc. This AT24C** device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential.

The main features of the AT24C are:
AT24C01 provides 1024 bits  EEPROM, organized as 128 words of 8 bits each.
AT24C02 provides 2Kbit, 2-Wire Bus Serial EEPROM.
AT24C64 provides 64K bit memory.