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SN74CB3Q3257: SN74CB3Q3257 unused I/O

Part Number: SN74CB3Q3257


Hello team,

My customer uses SN74CB3Q3257 for bidirectional application, for some unused pins, if both side need to be connected to GND or only need to connnect A side to GND? now customer connect B side to GND and A side floating, it is OK?

Regards,

Nanfang