SLE4442 card

Descripción

About This Item

🔹 Material: PVC, PET, PET-G, PC
🔹 Size: CR80 standard (86×54mm)
🔹 Chip: Infineon SLE4442 / SLE5542
🔹 Memory: 256 × 8 bits EEPROM + 32-bit protection memory
🔹 Read & Write Cycles: >100,000 times
🔹 Data Retention: >8 years
🔹 Security Features:
✔ Byte-by-byte erasure and writing for flexible data handling
✔ Permanent write protection (PROM) for the first 32 bytes
✔ Built-in 32-bit protection memory to prevent unauthorized modifications

Product Overview

The Infineon SLE4442 / SLE5542 is a widely used secure memory chip designed for membership cards, hotel key cards, fuel cards, and other secure data storage applications. It provides 256 × 8 bits of EEPROM memory, with an additional 32-bit protection memory, ensuring high security and reliability.

One of its standout features is the write-protection mechanism: The first 32 bytes of memory can be irreversibly protected from future modifications by activating the corresponding protection bits. Once set, these bits cannot be erased, offering permanent data security (PROM functionality).

With >100,000 read/write cycles and 8+ years of data retention, this chip ensures long-lasting performance across various industries.

Key Features & Benefits

✔ High Durability – Supports >100,000 read/write cycles for extended use.
✔ Secure Data Protection – 32-bit protection memory ensures permanent write protection.
✔ Flexible Memory Usage – Byte-by-byte erasure and writing for efficient data management.
✔ ISO 7816 Compliant – Works with standard IC card readers for seamless integration.
✔ Wide Compatibility – Used in hotel key cards, cashless payment cards, access control, and more.

Application Areas

📌 Membership Cards
📌 Hotel Key Cards
📌 Fuel Cards
📌 Cashless Payment Cards
📌 Game Cards
📌 Access Control Cards
📌 Public Transportation Cards

Why Choose DCCO?

💡 Expert Smart Card Supplier – Trusted provider of NFC tags, IC cards, and EEPROM solutions.
💡 Customization Available – We support bulk orders and personalized configurations.
💡 Reliable Customer Support – If you have any questions or special requests, contact us anytime!

Technical Specifications

FAQs

❓ What are the key advantages of the Infineon SLE4442 / SLE5542 chip?
✅ It offers high durability, strong security, and flexible data handling with permanent write protection.

❓ Can I customize these smart cards?
✅ Yes! We offer bulk orders and customization to meet your specific needs.

❓ What industries use this chip?
✅ It is widely used in hotel key cards, membership cards, fuel cards, transportation, and access control applications.