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Home » NEWEST Products » New by Manufacturer » Exar » Exar XRA14xx 8-Bit SPI General Purpose I/O Expanders
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Exar XRA14xx 8-Bit SPI
General Purpose I/O Expanders

These Exar XRA14xx 8-Bit SPI General Purpose I/O Expanders features a SPI interface. After power-up, the XRA14xx 8-Bit General Purpose I/O Expanders includes an internal 100K ohm pull-up resistor on each I/O pin that can be individually enabled. In addition, the GPIOs on these Exar XRA14xx 8-Bit General Purpose I/O Expanders can individually be controlled and configured. Applications for these devices include PDAs, cell phones, data, battery operated, GPS and bluetooth devices.

Features
  • 1.65V to 3.6V operating voltage
  • 8 or 16 General Purpose I/Os (GPIOs)
  • 5V tolerant inputs
  • Maximum stand-by current of 1uA at +1.8V
  • SPI bus interface
  • Individually programmable inputs
  • Individually programmable outputs
  • Open-drain active low interrupt output
  • 3kV HBM ESD protection per JESD22-A114F
  • 200mA latch-up performance per JESD78B
Applications
  • Personal Digital Assistants (PDA)
  • Cellular Phones/Data Devices
  • Battery-Operated Devices
  • Global Positioning System (GPS)
  • Bluetooth
Part Number Package No.
of
GPIOs
Max.
SPI
Clock Freq.
Datasheet
XRA1402IG16-F TSSOP-16 8 26MHz
XRA1402IL16-F QFN-16
XRA1404IG16-F TSSOP-16 8 26MHz
XRA1404IL16-F QFN-16
XRA1403IG24-F TSSOP-24 16 26MHz
XRA1403IL24-F QFN-24
XRA1405IG24-F TSSOP-24 16 26MHz
XRA1405IL24-F QFN-24
Part Number
Description Users Manual
XRA1402IG16-0B-EB Evaluation Board for XRA1402IG16
XRA1403IG24-0B-EB Evaluation Board for XRA1403IG24
XRA1403IL24-0B-EB Evaluation Board for XRA1403IL24
XRA1404IG16-0B-EB Evaluation Board for XRA1404IG16
XRA1404IL16-0B-EB Evaluation Board for XRA1404IL16
XRA1405IG24-0B-EB Evaluation Board for XRA1405IG24
XRA1405IL24-0B-EB Evaluation Board for XRA1405IL24
  • Exar
  • Semiconductors|Integrated Circuits|IC-Analog