PCA9547 Voltage Levels

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PCA9547 Voltage Levels

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fly_guy1
Contributor I

Can I use the PCA9547 in a system like this.  I have a 1.8V processor, and I need to talk with several other devices.  Some are 3.3V, others are 1.8V.  Will this work?  Are there better options?

 

fly_guy1_0-1654289103248.png

 

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guoweisun
NXP TechSupport
NXP TechSupport

From below picture showed, when the VDD is about 2.5V you can use this case.

guoweisun_0-1654484184224.png

 

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