PCA9544A - Low Voltage 4-Channel I2C and SMBus Multiplexer

Name: PCA9544A
SKU: PCA9544A-1433508

Texas Instruments

📥 Download Datasheet

PCA9544A Datasheet Preview — Preview of PCA9544A PDF

Datasheet Details

Part number	PCA9544A
Manufacturer	Texas Instruments
File Size	1.96 MB
Description	Low Voltage 4-Channel I2C and SMBus Multiplexer
Datasheet	PCA9544A-etcTI.pdf

PCA9544A 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.

📁 PCA9544A Similar Datasheet

PCA9544ABS - 4-channel I2C-bus multiplexer (NXP)
PCA9544AD - 4-channel I2C-bus multiplexer (NXP)
PCA9544APW - 4-channel I2C-bus multiplexer (NXP)
PCA9544 - 4-channel I2C multiplexer and interrupt controller (NXP)
PCA9540 - 2-channel I2C multiplexer (NXP)
PCA9540B - 2-channel I2C-bus multiplexer (NXP)
PCA9541 - 2-to-1 I2C-bus master selector (NXP Semiconductors)
PCA9541A - 2-to-1 I2C-bus master selector (NXP Semiconductors)

Other Datasheets by Texas Instruments

PCA9543A - 2-Channel I2C Bus Switch
PCA9545A - Low Voltage 4-channel I2C and SMbus Switch
PCA9546A - Low Voltage 4-Channel I2C and SMBus Switch
PCA9548A - Low Voltage 8-Channel I2C Switch
PCA9515A - Dual Bidirectional I2C Bus and SMBus Repeater
PCA9515B - Dual Bidirectional I2C Bus and SMBus Repeater

Published: May 15, 2020 |