About unused input pin of SN75468 and ULN2803A

Satoshi

Guru 19645 points

Other Parts Discussed in Thread: SN75468

If SN75468 and ULN2803A are not use a few channel,

unused input pin will be OPEN, is it no ploblem?

Best regards,

Satoshi

over 10 years ago

0 Michael J Schultis over 10 years ago

TI__Mastermind 24975 points

Hello Satoshi,

Please allow for a delay in response due to the US holiday.

Best,
Michael

0 Michael J Schultis over 10 years ago in reply to Michael J Schultis

TI__Mastermind 24975 points

Hello Satoshi-san,

Typically you can leave the input and output pins open if they are unused.

If you expect unusual transients on other pins, such as when working with a stepper motor, then it may be a good idea to ground the input and output pins.

Best,
Michael

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About unused input pin of SN75468 and ULN2803A