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ST25DV16K memory card, RFID tag with 16kb volatile EEPROM I2C memory STEMMA QT / Qwiic, Adafruit 4701
19.00 €
3750389 AN-17704
5904422354541
Shipping 11-18 b.d.
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All about the product
RFID tag with 16 kb EEPROM memory from Adafruit with STEMMA QT / Qwiic interface. Works with mobile phones and can be reprogrammed according to your needs via the I2C interface. The chip complies with ISO / IEC 15693 (13.56 MHz) standards, readable by phones and tablets. Once connected to the controller, dynamic data recording begins.
Specifications:
- I2C interface
- Serial I2C interface with 1 MHz clock frequency
- Use of multiple I2C addresses 0x2D, 0x53 (user memory) and 0x57 (system memory)
- Supply voltage: from 1.8 to 5.5 V
- Multi-byte programming (up to 256 bytes)
- Contactless interface
- Based on ISO / IEC 15693
- Type 5 NFC Forum tag with NFC Forum certification
- Supports all ISO / IEC 15693 modulations
- Fast read access up to 53 Kb/s
- Single and multiple block reading (also for extended commands)
- Save one and multiple blocks (up to 4) (same for extended commands)
- Internal tuning capacitance: 28.5 pF
- Memory
- 16 kb EEPROM memory
- I2C interface with byte access
- RF interface with access to 4 byte blocks
- Write time
- With I2C: typically 5 ms/byte
- With RF: typically 5 ms/block
- Fast transfer mode
- Fast data transfer between I2C and RF interfaces
- 256 byte dedicated half-duplex buffer
- Power source: analog output supplying external components
- Data protection
- User memory: from 1 to 4 configurable areas, protected from reading and (or) writing using three 64-bit RF passwords and one 64-bit I2C password
- System configuration: protected by 64-bit RF and 64-bit I2C passwords
- Dimensions: 31.7x 25.3 x 4.6 mm
Links:
Manufacturer's page
Manual
