• Part: XRA1404
  • Manufacturer: Exar
  • Size: 207.71 KB
Download XRA1404 Datasheet PDF
XRA1404 page 2
Page 2
XRA1404 page 3
Page 3

XRA1404 Description

The XRA1404 is an 8-bit GPIO expander with an SPI interface. After power-up, the XRA1404 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled. In addition, the GPIOs on the XRA1404 can individually be controlled and configured.

XRA1404 Key Features

  • 1.65V to 3.6V operating voltage
  • Integrated level shifters
  • 8 General Purpose I/Os (GPIOs)
  • 5V tolerant inputs
  • Maximum stand-by current of 1uA at +1.8V
  • SPI bus interface
  • SPI Clock Frequency up to 26MHz
  • Individually programmable inputs
  • Internal pull-up resistors
  • Polarity inversion

XRA1404 Applications

  • 1.65V to 3.6V operating voltage