M24LR04E-R
Dual-interface I2C + RF 13.56MHz ISO 15693
Full Specifications
| Manufacturer | STMicroelectronics |
|---|---|
| Frequency Category | HF 13.56 MHz |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 15693, ISO/IEC 18000-3 mode 1 |
| Memory | 4 Kbit (512 bytes) EEPROM |
| Interface | Dual interface: I2C (400 kHz, 1 MHz) and RF (contactless 13.56 MHz) |
| Temperature Range | -40°C to +85°C |
| Form Factor | SO8, TSSOP8, UFDFPN8 |
| Security | 32-bit password protection, write protection |
Engineering Brief
The M24LR04E-R is a dual-interface EEPROM combining I2C wired communication with 13.56 MHz RF contactless access via ISO 15693 protocol. It provides 4 Kbit of EEPROM accessible through either interface, enabling applications where devices can be configured via I2C during manufacturing and read/updated wirelessly in the field. The chip features energy harvesting capability from the RF field, password protection for secure access, and operates across industrial temperature range, making it ideal for sensor tags, device configuration, and product authentication applications.
Typical Applications
- Industrial sensor calibration and configuration data storage
- Medical device traceability and authentication
- White goods and appliance parameter storage
- Consumer electronics NFC pairing and settings
- Asset tracking and logistics management
- Smart metering and utility applications
Need a custom RFID product?
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