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TMUXHS4212: How should the unused port be handled?

Part Number: TMUXHS4212

Tool/software:

Hi:

There are two technical questions regarding TMUXHS4212, and I would appreciate your expert guidance.

1.Can only one of Port B and Port C of the device be used, leaving the other unused?

2.If possible, how should the unused port be handled? Should it be left floating or connected in series with a matching resistor?

Thank you for your guidance. I look forward to your reply.

Best Regrads,

Frank