PCA9544A - Low Voltage 4-Channel I2C and SMBus Multiplexer

Product Overview

Texas Instruments

Datasheet Details

Part number	PCA9544A
Manufacturer	Texas Instruments
File Size	1.96 MB
Description	Low Voltage 4-Channel I2C and SMBus Multiplexer
Datasheet	PCA9544A Datasheet
Additional preview pages of the PCA9544A datasheet.

Product details

Description

The PCA9544A is a 4-channel, bidirectional translating multiplexer controlled via the I2C bus. INT0), one for each of the downstream pairs, are provided.

Features

1 1-of-4 Bidirectional translating switches.
I2C Bus and SMBus compatible.
Four active-low interrupt inputs.
Active-low interrupt output.
Three address pins, allowing up to eight devices on the I2C Bus.
Channel selection via I2C Bus.
Power up with all switch channels deselected.
Low RON switches.
Allows voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V Buses.
No glitch on power up.
Sup.

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Published: May 15, 2020 |