ST’s dynamic NFC / RFID tags feature up to 64-Kbit of EEPROM memory which can be accessed either through an RF contactless interface operating at 13.56 MHz or a low-power I²C interface except for ST25DV-PWM series (PWM outputs). Both short-range (ISO14443-A) and long-range (ISO15693) standards are supported.
- ST25DV-I2C series: ISO15693 NFC forum type 5 certified dynamic tags suited for consumer electronics, industrial, metering, lighting, healthcare, home appliance, electronic shelf labels IoT objects and more.
- ST25DV-PWM series: ISO15693 NFC forum type 5 certified dynamic tags with Pulse Width Modulation (PWM) outputs suitable for industrial configuration application.
 | The benefit of our 10 years longevity program is available to a part of the devices making them suitable for deployment in Industrial-grade and Medical NFC / RFID applications. |
 | ST25 Webapp - Use your Android phone to communicate with ST25 NFC Dynamic Tags without having to download any application. |
Standard compliant
- ISO14443A
- ISO15693
- NFC Forum
Feature-rich
- 13.56MHz HF interface
- I2C interface
- Energy Harvesting
- Configurable output signal (GPO)
- Fast Transfer Mode
- PWM outputs
Best-In-Class memory
- From 2-Kbit to 64-Kbit
- Up to 200 years data retention
- 1M erase-write cycles
- Up to 128-bit passwords
Eco-system
- Documentation
- Evaluation boards
- Antenna Design Tool
- Associated software
- ST community
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eDesignSuite
eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.
NFC/RFID Calculators
NFC Inductance
Input geometry and substrate properties Get antenna impedance 
UHF Link Budget
Enter forward and reverse link characteristics The tool returns link budget estimate 
NFC Tuning Circuit
Enter antenna parameter and matching target Select the topology of the matching network The tool returns component values for the desired design targets