SLE4442/SLE5542Contact IC Card

 4442IC card is a logical encryption card that also belongs contact IC card, it’sbeen successfully applied in various industries with its small memory andstable performance.

Product name: Contact IC Card

Packing material: PVC

Main index:

256bytes EEPROM

32bits protection memory

Temperature: 0℃～70℃

At least 100,000 rewritable times

At least 10 years data storage

Size: 86*54 mm, can be customized

3bytes user password, allowable password mistakes: 3times

Security features:

1.      Every byte in write protection area (thefirst 2bytes) can run write protection individually, the content cannot bechanged (data solidification) after write protection.

2.      All data can be read before password isproved, the data can be encrypted if necessary.

3.      Can be written or changed after passwordis proved

4.      User password of 3 bytes can be changedafter being proved, it will be valid until thebattery is out.

5.     The initial value ofincorrect password calculator is 3, 1 will be less if the password is provedwrong for 1 time. If the value of calculator is 0, the card will be locked,which means the data can be read only, cannot be written, changed or continueto prove the password; if it is not 0, it can go back to initial value as longas the password is proved right just for once.

6.     Byte address 21-26 is theuser code, we canset the global unique code for big users to issue conveniently(all the cards cannot be changed after release)

7.     Byte address 0-5, 6-7 havebeen set before release and cannot be changed.