STMicroelectronics ST25DV04KC-IE6T3 RFID and NFC Transceiver, 8-Pin TSSOP8

The STMicroelectronics ST25DV04KC dynamic NFC RFID tag IC offers 4‑Kbit of electrically erasable programmable memory (EEPROM). It has two interfaces such as I2C serial link and RF link. In I2C mode the user memories contain up to 512 bytes, 2048 bytes and 8192 bytes, which could be split in 4 flexible and protectable areas. In RF mode, following ISO/IEC 15693 or NFC forum type 5 recommendations the user memory contains respectively up to 128 blocks, 512 blocks and 2048 blocks of 4 bytes which could be split in 4 flexible and protectable areas. This tag also offers a fast transfer mode between the RF and contact worlds. In addition the GPO pin provides data informing the contact world about incoming events, like RF field detection, RF activity in progress or mailbox message availability.

Two-wire I2C serial interface supports 1MHz protocol
Single supply voltage range of 1.8 V to 5.5 V
Multiple byte write programming (up to 256 bytes)
Configurable I2C slave address
NFC Forum Type 5 tag certified by the NFC Forum
Supports all ISO/IEC 15693 modulations, coding, sub-carrier modes and data rates
Custom fast read access up to 53 Kbit/s
Data retention of 40 years
Half-duplex 256 bytes dedicated buffer
Analog output pin to power external components
RF command interpreter enabled/disabled from I2C host controller
Immediate RF switch off from I2C
Internal tuning capacitance of 28.5 pF
Temperature range between -40°C and 85°C
TSSOP8 package

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