AS3953 NFC INTERFACE TAG

NFC to SPI Interface Chip

The AS3953 NFiC™ enables all applications to interact with an NFC mobile phone in an instant. It is a fast NFC to SPI interface capable of harvesting field energy up to 5mA.

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KEY FEATURES
  • Direct NFC to SPI interface (up to type 4)
  • 5mA Energy harvest
  • 106 to 848kbps data transfer rate
  • Built in 1kbit high endurance EEPROM (>1Mu write cycles)
KEY BENEFITS
  • Most cost efficient & easiest way to implement NFC
  • Power positive, longer battery lifetime, allows battery less designs
  • Fast data transfer for firmware upgrades or data intense applications
  • Longest lifetime of EEPROM even in challenging environment
AS3953 APPLICATIONS
  • Passive Wake-up
  • Multipurpose HF Interface to a Controller
  • Low Power or Passive Programming
  • Ultra Low Power Data Logger
  • RFID Programmable Configuration EEPROM
  • ISO 14443A Smart Card
  • NFC Forum Tag Type 4
  • Bluetooth and Wi-Fi Pairing
(click to enlarge)


AS3953 PRODUCT FACTS

Frequency [ MHz]13.56
Protocols supported / Standard [ ]ISO 14443A up to level 4 NFCIP-1 target at 106kbps NFC forum tag 4 type emolution
Supply voltage [V]RF field or ext. 1.65 to 3.6
Temperature range [°C]-40 to +85
InterfaceISO14443A 4-wire SPI (slave) up to 5MHz
EEPROM [kbits]1
Features [ ]Wake-up interrupt, energy harvest 5mA
Datarate [kbps]up to 848
Package []Die, MLPD-10, WL-CSP