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SLE4428 White PVC Cards
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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
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