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TPD4E001: Unused pins and bus configs

Part Number: TPD4E001
Other Parts Discussed in Thread: TPD2E001

Tool/software:

Hi team,

I have two questions.

Customer would like to use this IC on a single USB bus.

(1)

What is the recommended method to terminate unused pins? Float? tied to ground?

(2)

It seems like in typical application schematics, the buses are paird as 4&1, 3&2. Is there a particular reason? Can you use whatever pins for whatever buses?


Thanks,

Luke