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Descripción
The Infineon SLE4442/SLE5542 is a secure memory smart card chip featuring a 256 × 8-bit EEPROM and 32-bit protection memory. Designed for applications like membership cards, hotel keys, and fuel cards, it offers permanent write protection (PROM), byte-level data control, and ISO 7816 compliance for reliable performance and integration.
Key Features
256 × 8 bits EEPROM with >100,000 read/write cycles
32-bit protection memory for permanent data security
Byte-by-byte erase and write for precise data handling
PROM functionality: irreversible write protection for the first 32 bytes
ISO 7816 compliant for wide system compatibility
8 years of data retention
CR80 standard card size (86×54mm), available in PVC, PET, PET-G, or PC materials
Application Areas
Membership Cards
Hotel Key Cards
Fuel Cards
Cashless Payment Cards
Game Cards
Access Control Cards
Public Transportation Cards
Technical Specifications
| Attribute | Details |
|---|---|
| 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 | Permanent Write Protection (PROM), Byte-by-Byte Erasure and Writing |
| Protocol | ISO 7816 (Synchronous Transmission) |
FAQs
Q: What are the key advantages of the Infineon SLE4442 / SLE5542 chip?
A: It offers high durability, strong security, and flexible data handling with permanent write protection.
Q: Can I customize these smart cards?
A: Yes! We offer bulk orders and customization to meet your specific needs.
Q: What industries use this chip?
A: It is widely used in hotel key cards, membership cards, fuel cards, transportation, and access control applications.
