sle5542
SLE5542 Contact chip memory card 1 Kbyte

PACK 200 pcs - SLE5542 - Blank card
Infineon
SLE5542
M.Q.O. 200 pcs
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  • Description
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 Contact chip memory card 1 Kbyte

BROCHURE

The SLE5542 is a contact chip memory card with 256-byte EEPROM, designed for secure data storage and authentication. It is an upgraded version of the SLE4442, offering improved security features and reliability.

Key Technical Specifications:

  • Memory: 256-byte EEPROM, organized into 256 × 8-bit.
  • Security Features:
    • Write protection: Irreversible byte-by-byte protection for the first 32 addresses.
    • Programmable Security Code (PSC): Allows three attempts before locking the card.
  • Communication Interface: Serial transmission protocol.
  • Operating Voltage: 5V.
  • Write Endurance: 100,000 cycles.
  • Data Retention: Minimum 10 years.
  • Applications: Used in access control, payment cards, ID cards, and transportation systems.


 

  • SLE 5542 replaces SLE 4442
  • SLE 5542 is 100% functional compatible to SLE 4442
  • 256 x 8-bit EEPROM organization of Data Memory
  • 32 x 1-bit Protection Memory
    • Byte-wise write protection of first 32 addresses (byte 0....31) of Data Memory
    • Manufacturer Code for unique identification of application
  • Data Memory (addresses 0....255) alterable only after verification of 3 Byte Programmable Security Code (PSC)
  • Advanced CMOS-technology optimised for security layout