Specification :

AT24C Series Cards is a kind of contact IC memory card without encryption process. AT24C Series Card includes a series of chips: AT24C01, AT24C02, AT24C04, AT24C16, AT24C64.
This AT24C* * device is optimized for use in many industrial and commercial applications .
AT24C01 is original from Atmel.
About the IC module:

AT24C01 provides 1-K bits EEPROM, organized as 128 words of 8 bits each
AT24C02 provides 2-Wire serial EEPROM 2-K bits
AT24C04 provides 2-wire serial EEPROM 4-K bits ( 512 x 8)
AT24C16 provides 2-wire serial EEPROM 16-K bits ( 2048 x 8)
AT24C64 provides 2-wire serial EEPROM 64-K bits ( 8192 x 8)
-EEPROM Endurance minimum 100, 000 erase / write cycles
-Minimum of 10 years data storage time
-Contact confguration and serial interface in accordance to ISO standard 7816
Key Feature of AT24C Series Card:

Dimensions: CR80 85.60 x 53.98mm
Thickness: 0.84mm
Material: PVC, PET
Card Surface: Matte/ gloss finish
Housing: Lamination
Operating Temperature: -20 to + 60° C
Stockage Temperature: -20 to + 65° C
Printing Option:

Full color offset printing
Silk-screen printing
Silver/ Gold silk-screen printing background
Options on standard card:

Magnetic Stripe Option: 300oe, 2750oe, 4000oe
Numbering
Barcode printing
Signature panel
Embossing
Encoding: