• Part: XRA1405
  • Manufacturer: Exar
  • Size: 215.86 KB
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XRA1405 Key Features

  • 1.65V to 3.6V operating voltage
  • 16 General Purpose I/Os (GPIOs)
  • Integrated Level Shifters
  • 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

Related Exar Datasheets

Part Number Description
XRA1402 8-BIT SPI GPIO EXPANDER
XRA1403 16-BIT SPI GPIO EXPANDER
XRA1404 8-BIT SPI GPIO EXPANDER
XRA1200 8-BIT I2C/SMBUS GPIO EXPANDER
XRA1200P 8-BIT I2C/SMBUS GPIO EXPANDER

XRA1405 Description

The XRA1405 is an 16-bit GPIO expander with an SPI interface. After power-up, the XRA1405 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled. In addition, the GPIOs on the XRA1405 can individually be controlled and configured.

XRA1405 Applications

  • 1.65V to 3.6V operating voltage