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.
There are three symbols for the NOT gate:
|MIL/ANSI Symbol||IEC Symbol||DIN Symbol|
OR gate AND gate
- The Not Gate on All About Circuits