NOT gate

INPUTA  OUTPUT  NOT A0  11  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.The NOT gate negates the values of data or signal in its input. It will always output the opposite signal. Its main function is to interchange logic.

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 
There are three symbols for the NOT gate:

Image:NOT ANSI Labelled.svgImage:NOT IEC.svgimage:NOT DIN.svgMIL/ANSI SymbolIEC SymbolDIN Symbol
Related pages

 OR gate
 AND gate

 Other websites 
 The Not Gate on All About Circuits

Category:Logic gates