MIFARE Classic EV1 4K
4KB ISO 14443A, legacy access control
Full Specifications
| Manufacturer | NXP |
|---|---|
| Frequency Category | HF 13.56 MHz |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 14443-A |
| Memory | 4 kB (32 sectors of 4 blocks + 8 sectors of 16 blocks, 16 bytes per block) |
| Interface | RF contactless |
| Temperature Range | -25°C to +70°C |
| Form Factor | Bumped die on sawn wafer (8" 120μm, 8" 75μm, 12" 120μm), MOA4 module (SOT500-2), MOA8 module (SOT500-4) |
| Security | CRYPTO1 stream cipher, mutual three-pass authentication (ISO/IEC DIS 9798-2), two secret keys (A/B) per sector, 7-byte UID or 4-byte NUID, Random ID support |
Engineering Brief
The MIFARE Classic EV1 4K is a 13.56 MHz contactless smart card IC compliant with ISO/IEC 14443 Type A, offering 4 kB of EEPROM organized in 40 sectors with flexible access control. It features CRYPTO1 mutual authentication, dual-key per sector security, and supports both 7-byte UID and 4-byte NUID options with Random ID capability. Designed for fast transactions (<100 ms), it provides 10-year data retention, 200k write endurance, and operates from -25°C to +70°C. Available as bumped wafer die or contactless modules (MOA4/MOA8), it is widely deployed in legacy transport ticketing, access control, and loyalty applications.
Typical Applications
- Public transportation ticketing
- Access management and control
- Electronic toll collection
- Car parking systems
- School and campus cards
- Employee ID cards
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