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SX1503 - 16 Channel Low Voltage GPIO

This page provides the datasheet information for the SX1503, a member of the SX1501 16 Channel Low Voltage GPIO family.

Datasheet Summary

Description

The SX1501, SX1502 and SX1503 are complete ultra low voltage General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment.

They allow easy serial expansion of I/O through a standard I2C interface.

Features

  • 4/8/16 channel of I/Os True bi-directional style I/O Programmable Pull-up/Pull-down Push/Pull outputs.
  • 1.2V to 5.5V independent operating voltage for all supply rails (VDDM, VCC1, VCC2).
  • 5.5V compatible I/Os, up to 24mA output sink (no total sink current limit).
  • Fully programmable logic functions (PLD).
  • 400kHz 2-wire I2C compatible slave interface.
  • Open drain active low interrupt output (NINT) Bit maskable Programmable edge sensitivity.

📥 Download Datasheet

Datasheet preview – SX1503

Datasheet Details

Part number SX1503
Manufacturer Semtech Corporation
File Size 0.98 MB
Description 16 Channel Low Voltage GPIO
Datasheet download datasheet SX1503 Datasheet
Additional preview pages of the SX1503 datasheet.

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Full PDF Text Transcription

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WIRELESS & SENSING SX1501/SX1502/SX1503 4/8/16 Channel Low Voltage GPIO SX1501/SX1502/SX1503 4/8/16 Channel Low Voltage GPIO with NINT and NRESET GENERAL DESCRIPTION The SX1501, SX1502 and SX1503 are complete ultra low voltage General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment. They allow easy serial expansion of I/O through a standard I2C interface. GPIO devices can provide additional control and monitoring when the microcontroller or chipset has insufficient I/O ports, or in systems where serial communication and control from a remote location is advantageous. These devices can also act as a level shifter to connect a microcontroller running at one voltage level to a component running at a different voltage level.
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