IC specification summary
| Specification | Details |
|---|---|
| Semiconductor IC | MIFARE Classic EV1 4K |
| Interface / protocol | ISO/IEC 14443-3 Type A |
| Nominal EEPROM | 4 kB |
| RF data rate | 106 kbit/s |
| UID options | 4 byte NUID or 7 byte UID; specify variant |
| Authentication | MIFARE CRYPTO1 with sector access conditions |
| Memory use | Manufacturer blocks and sector trailers reduce application space |
NXP does not recommend MIFARE Classic EV1 for new designs. Evaluate DESFire or Plus where a new security architecture is required.
For replacements, match UID format, sector data, keys and reader behavior to the installed system.
