## NAND Gate (MA167E)

- Details
- Published: Friday, 04 March 2016 00:00
- Written by Newton C. Braga

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

**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