The main features of the SLE4428 are:
- Synchronous communication protocol, ISO 7816 compatible 
- EEPROM size is 1,024 bytes split into the following areas:

• 25 bytes for card manufacturer data
• 2 bytes for card issuer reference
• 4 bytes for card identification data
• 990 bytes for main user data
• 3 bytes for error counter and card secret code area 
  - Access to the memory is protected by a 3 byte secret code for data write only
  - Free Read of Data (except PIN) 
  - Answer to reset according to ISO 7816-3 standard 
  - Data retention is up to 10 years 
  - Non reversible byte-wise write protection of lowest 32 addresses 
  - 20 degreeC + 50C operating range
• PSC code: FFFF
• Other contact ic chip available: SLE5542/SLE5528/SLE4442/AT24C series, etc

• We can design the file for free as your demand.

• One-stop security solution provider, can help you save cost and time

• Samples can be send by free

• We have strictly QC department before the cards send out to make sure every card is ok

• Best after-srevice

ZF CARD is professional and hi-tech manufacturer of various contact and contactless PVC cards. Our main products are involved in RFID and electronic consumer market, such as ID cards, IC cards, smart cards, irregularly shaped cards, magnetic cards, barcode card, PVC cards, etc.

Factory Information:

E-mail: lina@     

Skype: zfcard02     

Tel/Whatsapp: +86 18928935004