SLE4442/SLE5542Contact IC Card

 4442IC card is a logical encryption card that also belongs contact IC card, it’s been successfully applied in various industries with its small memory and stable 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, allow able password mistakes: 3 times

Security features:

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

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

3.      Can be written or changed after password is proved

4.      User password of 3 bytes can be changed after being proved, it will be valid until the battery is out.

5.     The initial value of incorrect password calculator is 3, 1 will be less if the password is proved wrong 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 continue to prove the password; if it is not 0, it can go back to initial value as long as the password is proved right just for once.

6.     Byte address 21-26 is the user 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 have been set before release and cannot be changed.