ST25DV04K
Dynamic NFC/RFID tag with 4-Kbit EEPROM and I²C
Full Specifications
| Manufacturer | STMicroelectronics |
|---|---|
| Frequency Category | NFC |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 15693, NFC Forum Type 5 |
| Memory | 512 bytes (4 Kbit) EEPROM |
| Interface | RF (contactless), I²C |
| Temperature Range | -40°C to +85°C |
| Form Factor | SO8N, TSSOP8, UFDFPN8 |
| Security | 64-bit password protection, dual-zone security, write protection |
Engineering Brief
The ST25DV04K is a dynamic dual-interface NFC tag combining 13.56 MHz contactless RF communication via ISO/IEC 15693 with a fast I²C wired interface for embedded system integration. It features 512 bytes of EEPROM organized with configurable security zones, energy harvesting capability from the RF field, and fast transfer mode up to 53 kbit/s. The chip enables applications requiring both wireless smartphone interaction and direct microcontroller access, with mailbox functionality for bidirectional communication between RF and I²C interfaces.
Typical Applications
- Consumer electronics pairing and configuration
- Industrial sensor data logging with wired access
- Medical device tracking and parameter storage
- Smart home appliance configuration
- Asset management with dual-interface access
- Retail product authentication and inventory
Need a custom RFID product?
Roxtron manufactures a wide range of custom RFID and NFC products including smart cards, labels, wristbands, key fobs and industrial tags. Contact us to discuss your project and we'll respond within 24 hours.