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PCA9671PW - Remote 16-bit I/O expander

This page provides the datasheet information for the PCA9671PW, a member of the PCA9671 Remote 16-bit I/O expander family.

Description

The PCA9671 provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plus (Fm+) family.

Features

  • 1 MHz I2C-bus interface.
  • Compliant with the I2C-bus Fast-mode and Standard-mode.
  • SDA with 30 mA sink capability for 4000 pF buses.
  • 2.3 V to 5.5 V operation with 5.5 V tolerant I/Os.
  • 16-bit remote I/O pins that default to inputs at power-up.
  • Latched outputs with 25 mA sink capability for directly driving LEDs.
  • Total package sink capability of 400 mA.
  • Active LOW reset input.
  • 64 programmable slave addresses using 3 address pins.
  • Readable device ID.

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Datasheet preview – PCA9671PW

Datasheet Details

Part number PCA9671PW
Manufacturer NXP
File Size 292.72 KB
Description Remote 16-bit I/O expander
Datasheet download datasheet PCA9671PW Datasheet
Additional preview pages of the PCA9671PW datasheet.

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Full PDF Text Transcription

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PCA9671 Remote 16-bit I/O expander for Fm+ I2C-bus with reset Rev. 3 — 29 September 2011 Product data sheet 1. General description The PCA9671 provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plus (Fm+) family.
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