Common Memory card is a kind of contact mode IC card without logical encryption. The capacity of the chips ranges between 1kbit and 64kbit.

Technical specification:

AT24C01:   1k bit non-encryption card, just can read and write

AT24C02:   2k bit non-encryption card, just can read and write

AT24C04:   4k bit non-encryption card, just can read and write

AT24C08:   8k bit non-encryption card, just can read and write

AT24C16:  16k bit non-encryption card, just can read and write

AT24C64:  64k bit non-encryption card, just can read and write

 Operating frequency: 1MHz(5V) 1ZHz(2.7V) 400KHz(1.8V)

 Operating voltage: 5V10%, min 1.8V if require

 ICC current: Read: max 1MA Write: max 3MA

 Operating temperature: 0-70, Exceed this range if required

 Write\erase: 1,000,000 times

 Data retention: 100yares

 ESD protection: 4000V

 Application area: Data storage, phone card, campus card and so on.