The SLE5528 is a low-cost EEPROM memory smart card, often used in access control, time attendance, and transport systems. Here are its key technical characteristics:
🧠 Memory & Security
- EEPROM Memory: 1,024 bytes (organized as 1024 × 8 bits)
- Write Protection: Byte-level, irreversible write protection
- Security Code: 2-byte Programmable Security Code (PSC)
- Error Counter: Locks write access after 8 failed PSC attempts
🔐 Data Integrity
- Anti-tearing: Ensures data integrity during power loss
- Data Retention: Minimum 10 years
- Write Endurance: 100,000 cycles
📡 Interface & Electrical
- Contact Interface: ISO/IEC 7816 compliant
- Operating Voltage: 5V ±10%
- Max Supply Current: 10 mA
- Clock Frequency: Up to 5 MHz
🌡️ Environmental
- Operating Temperature: –35 °C to +100 °C
- Storage Temperature: –20 °C to +65 °C
📏 Physical Specs
- Card Dimensions: 85.6 × 53.98 mm (standard ID-1 format)
- Thickness: ~0.84 mm
- Material: PVC or PET, with glossy or matte lamination
This card is fully compatible with the older SLE4428 and is widely used in systems where moderate security and cost-efficiency are key.
