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AS3953

Features

  • Direct NFC to SPI interface
  • 5mA energy harvest
  • 106 to 848kbit/s data transfer rate
  • Built-in 1kbit high endurance EEPROM (>1Mu write cycles)

Benefits

  • Most cost efficient and easiest way to implement NFC
  • Power positive, longer battery lifetime, allows batteryless designs
  • Fast data transfer for firmware upgrades or data intense applications
  • Longest lifetime of EEPROM even in challenging environments

Product parameters

Frequency MHz13.56
ProtocolISO 14443A NFCIP-1 target at 106kbps NFC Forum T4T emulation
Supply Voltage VRF field or ext. 1.65 to 3.6
Temperature Range °C-40 to +85
InterfaceISO14443A \ 4-wire SPI (slave) up to 5MHz
EEPROM kbit1
FeaturesPassive wake-up interrupt Energy harvesting 5mA @ 3.3V
Data Rate kbit/sUp to 848
PackageDie, MLPD-10, WL-CSP