MIFARE Classic EV1 1K
1KB ISO 14443A, legacy ticketing and access
Full Specifications
| Manufacturer | NXP |
|---|---|
| Frequency Category | HF 13.56 MHz |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 14443 Type A |
| Memory | 1024 bytes EEPROM (1 KB) organized in 16 sectors of 4 blocks, 16 bytes per block |
| Interface | RF contactless (two antenna coil connections LA/LB), no contact interface |
| Temperature Range | -25°C to +70°C ambient operating temperature |
| Form Factor | Bumped die on sawn wafer (8 inch 120 μm or 75 μm, 12 inch 120 μm), MOA4 module (SOT500-2), MOA8 module (SOT500-4) |
| Security | CRYPTO1 stream cipher for authentication and encryption, mutual three-pass authentication (ISO/IEC DIS 9798-2), two keys per sector, 7-byte UID or 4-byte NUID, random ID support, NXP originality check support |
Engineering Brief
The MIFARE Classic EV1 1K (MF1S50YYX_V1) is NXP's mainstream contactless smart card IC operating at 13.56 MHz with ISO/IEC 14443 Type A compliance. It features 1 KB EEPROM organized in 16 sectors with user-definable access conditions per block, supporting fast ticketing transactions under 100 ms. Security is provided via CRYPTO1 cipher with mutual three-pass authentication, two keys per sector, and optional 7-byte UID or 4-byte NUID. Delivery options include bumped wafers (8/12 inch), MOA4, and MOA8 contactless modules with 10-year data retention and 200,000 write cycles, designed for public transport, access control, parking, and loyalty applications.
Typical Applications
- Public transportation ticketing
- Access management and employee cards
- Electronic toll collection
- Car parking and campus cards
- Loyalty programs and internet cafés
- Legacy contactless card applications
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