Overview
The ST25DV16K-IER6S3, produced by STMicroelectronics, is a dynamic NFC/RFID tag IC that offers 16 Kbits of electrically erasable programmable memory (EEPROM). This device features dual interfaces: a two-wire I2C serial link and an RF link compliant with ISO/IEC 15693 and NFC Forum Type 5 standards. The ST25DV16K is designed to facilitate fast data transfer between the contact and contactless worlds, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Memory Capacity | 16 Kbits (2048 bytes) EEPROM |
| Interfaces | Two-wire I2C serial interface, RF interface (ISO/IEC 15693, NFC Forum Type 5) |
| Supply Voltage | 1.8 to 5.5 V |
| I2C Clock Speed | Up to 1 MHz |
| Write Time | Typical 5 ms for 1 byte (I2C), typical 5 ms for 1 block (RF) |
| Data Retention | 40 years |
| Write Cycles Endurance | 1 million at 25 °C, 600 k at 85 °C, 500 k at 105 °C, 400 k at 125 °C |
| Temperature Range | -40 to 85 °C (Range 6), -40 to 105 °C (Range 8 for specific packages) |
| Package | SO8, TSSOP-8L, UFDFPN 12L |
| RoHS Compliance | Ecopack2 |
Key Features
- Fast transfer mode between I2C and RF interfaces using a 256-byte dedicated buffer (Mailbox)
- Energy harvesting feature with an analog output pin to power external components
- Data protection with configurable areas protectable by passwords (three 64-bit passwords in RF, one 64-bit password in I2C)
- GPO pin configurable for multiple RF events (field change, memory write, activity, Fast Transfer end, user set/reset/pulse)
- Low power mode available in 10-ball and 12-pin packages
- RF command interpreter enabled/disabled from I2C host controller
- Custom fast read access up to 53 Kbit/s
- Single and multiple blocks read/write support
Applications
- Automotive: For vehicle identification, tracking, and smart key applications
- Industrial: For asset tracking, inventory management, and smart sensors
- Consumer Electronics: For smart home devices, wearables, and mobile accessories
- Healthcare: For medical device tracking and patient identification
- Smart Cities: For public transportation, waste management, and urban infrastructure
Q & A
- What is the memory capacity of the ST25DV16K?
The ST25DV16K has 16 Kbits (2048 bytes) of EEPROM memory.
- What interfaces does the ST25DV16K support?
The device supports a two-wire I2C serial interface and an RF interface compliant with ISO/IEC 15693 and NFC Forum Type 5 standards.
- What is the operating voltage range of the ST25DV16K?
The device operates with a supply voltage ranging from 1.8 to 5.5 V.
- How fast can data be transferred using the I2C interface?
The I2C interface supports clock speeds up to 1 MHz.
- What is the data retention period of the ST25DV16K?
The device has a data retention period of 40 years.
- How many write cycles can the ST25DV16K endure?
The device can endure 1 million write cycles at 25 °C, 600 k at 85 °C, 500 k at 105 °C, and 400 k at 125 °C.
- What is the temperature range for the ST25DV16K?
The device operates in a temperature range from -40 to 85 °C (Range 6) and up to 105 °C for specific packages (Range 8).
- What packages are available for the ST25DV16K?
The device is available in SO8, TSSOP-8L, and UFDFPN 12L packages.
- Is the ST25DV16K RoHS compliant?
Yes, the device is RoHS compliant with Ecopack2 certification.
- What is the purpose of the GPO pin on the ST25DV16K?
The GPO pin is configurable for multiple RF events such as field change, memory write, activity, Fast Transfer end, and user set/reset/pulse.
