The SLE4442 is a contact chip memory card with 256-byte EEPROM, widely used for access control, payment systems, and identification. It features write protection and a programmable security code, making it a secure option for various applications.
Key Technical Specifications:
- Memory: 256-byte EEPROM, organized into 256 x 8-bit.
- Security Features:
- Write protection: Irreversible byte-by-byte protection for the first 32 addresses.
- Programmable security code: Allows 3 attempts before locking the card.
- Communication Interface: Serial transmission protocol.
- Operating Voltage: 5V.
- Write Endurance: 100,000 cycles.
- Applications: Used in access control, payment cards, ID cards, and transportation systems.
