PHYS345 Electricity and Electronics

Several Realizations of NOT

DeMorgan's first theorem

1.   This is how a NOT operation is often represented schematically.

2.   Sometimes the NOT operation is shown explicitly as a gate.

3.   Tying the inputs of a dual-input NAND gate will yield a NOT gate.

4.   Tying the inputs of a dual-input NOR gate will similarly yield a NOT gate.

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Last updated Nov. 4, 1999.
Copyright George Watson, Univ. of Delaware, 1999.