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PA9544A - 4-channel I2C-bus multiplexer

NXP

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Datasheet Details

Part number	PA9544A
Manufacturer	NXP
File Size	271.16 KB
Description	4-channel I2C-bus multiplexer
Datasheet	PA9544A-NXP.pdf

PA9544A Product details

Description

The PCA9544A is a 1-of-4 bidirectional translating multiplexer, controlled via the I2C-bus.

Features

1-of-4 bidirectional translating multiplexer.
I2C-bus interface logic; compatible with SMBus.
4 active LOW interrupt inputs.
Active LOW interrupt output.
3 address pins allowing up to 8 devices on the I2C-bus.
Channel selection via I2C-bus.
Power-up with all multiplexer 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.
Supports hot insertion.
Low st.

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Published: Mar 4, 2021 |