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PCA9554 - Remote 8-Bit I2C AND SMBus I/O Expander

Product Overview

Texas Instruments

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PCA9554 Remote 8-Bit I2C AND SMBus I/O Expander by Texas Instruments - Datasheet Preview — Datasheet preview – PCA9554

Datasheet Details

Part number	PCA9554
Manufacturer	Texas Instruments
File Size	1.61 MB
Description	Remote 8-Bit I2C AND SMBus I/O Expander
Datasheet	PCA9554 Datasheet
Additional preview pages of the PCA9554 datasheet.

Product details

Description

This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation.

Features

1 I2C to Parallel Port Expander.
Open-Drain Active-Low Interrupt Output.
Operating Power-Supply Voltage Range of 2.3 V to 5.5 V.
5-V Tolerant I/Os.
400-kHz Fast I2C Bus.
Three Hardware Address Pins Allow up to Eight Devices on the I2C/SMBus.
Input/Output Configuration Register.
Polarity Inversion Register.
Internal Power-On Reset.
Power-Up With All Channels Configured as Inputs.
No Glitch On Power.

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Published: May 15, 2020 |