NAND Gate (MA167E)

The output is high only IF the inputs (A and B) ate not in the high logic level. The symbol and the equivalent circuit is shown in figura 1.

 

Figure 1
Figure 1

 

 

Equation 1

2-Input NAND Gate

 


 

 

 

Where:

X is the input logic level

A and B are the output logic levels

 

Truth Table – 2-Input NAND gate

 


 

 

 

Equation 2

3-Input NAND Gate

Equation 2

 


 

 

 

Where:

X is the input logic level

A, B and C are the output logic levels

 


 

 

 

 


Circuit Bench