NOT gate

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INPUT
A
OUTPUT
NOT A
0 1
1 0

A NOT gate (also often called Inverter) is a logic gate. Each NOT gate has only one input signal. Logically with NOT gates, the input and the output swap, so if you input 1 it outputs as 0; likewise if you input 0 it outputs as 1.

In the 20th century an inverter was often made of a discrete transistor with other components, or several inverters were packaged in an integrated circuit.

Symbols[change | change source]

There are three symbols for the NOT gate:

NOT ANSI Labelled.svg NOT IEC.svg NOT DIN.svg
MIL/ANSI Symbol IEC Symbol DIN Symbol


Other websites[change | change source]