ST25DV64K-JFR6D3

ST25DV64K-JFR6D3 is a dynamic NFC/RFID tag IC with fast transfer mode capability. This device features two interfaces: the first one is an I²C serial link that can be operated from a DC power supply, and the second one is an RF link activated when the device acts as a contactless memory powered by the received carrier electromagnetic wave. This device offers a fast transfer mode between the RF and contact worlds, thanks to a 256bytes volatile buffer (also called Mailbox). In addition, the GPO pin provides data about incoming events, like RF field detection, RF activity in progress, or mailbox message availability. An energy harvesting feature is also available when external conditions make it possible. It supports all ISO/IEC 15693 modulations, coding, sub-carrier modes, and data rates. It features an interruption pin configurable on multiple RF events (field change, memory write, activity, Fast Transfer end, user set/reset/pulse).

• Two-wire I²C serial interface supports 1MHz protocol
• Single supply voltage range from 1.8V to 5.5V, 64Kbits memory size
• Custom fast read access upto 53Kbit/s, single and multiple blocks read (same for extended commands)
• Single and multiple (upto 4) blocks write (same for extended commands)
• Internal tuning capacitor is 28.5pF typical at (f = 13.56MHz)
• I²C interface accesses bytes, RF interface accesses blocks of 4 bytes
• Data retention is 40 years, fast data transfer between I²C and RF interfaces
• Half-duplex 256byte dedicated buffer, analogue output pin to power external components
• I²C and GPO CMOS, fast transfer mode, energy harvesting and low power mode
• Operating temperature range from -40°C to 85°C, UFDFPN12 package

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