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Interview Question


If you have unconnected digital inputs, what do you do with


Interview Answer

1 Answer


Either pull-up or pull-down. Pull down to GND (versus pull up to VCC) consumes %15 less power on the PIC. Pulling up to Vcc (versus pull down to GND) consumes less power on TTL chips.

Dominic On on Jun 4, 2013

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