Summery
In digital logic design we have familiar with various gate. Among these gates some are known as Universal Gate, some are well known as Basic Gates. In this topic we will try to discuss about the verification of Universal Gates, implementation of different logic gates with NAND gate. At last we will try to verify the truth table of different logic gates with NAND implementation.
Apparatus
Sl No | Name of the apparatus | Rating | Quantity |
1 | Dc Power Supply | +5V dc | 1 |
2 | IC(Quad-2 Input NAND Gate) HD74LS00P | Vcc=5v,Vin=50 | 2 |
3 | Light Emitting Diode | (1.5-3)v,(20-50)ma | 1 |
4 | Bread Board | 1 | |
5 | Connecting Wire | As required |
Implementation with NAND Gate
Truth Table Circuit Diagram
Inverter Gate
Input | Output |
1 | 0 |
0 | 1 |
AND Gate
Input X | Input Y | Output Q |
0 | 0 | 0 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 1 |
Input X | Input Y | Output Q |
0 | 0 | 0 |
0 | 1 | 1 |
1 | 0 | 1 |
1 | 1 | 1 |
NOR Gate
Input X | Input Y | Output Q |
0 | 0 | 0 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 1 |
Exclusive-OR Gate
Input A | Input B | Output F |
0 | 0 | 0 |
0 | 1 | 1 |
1 | 0 | 1 |
1 | 1 | 0 |
1 Exclusive-NOR Gate
Input A | Input B | Output F |
0 | 0 | 1 |
0 | 1 | 0 |
1 | 0 | 0 |
1 | 1 | 1 |
This is why NAND Gate is called Universal Gate. And this is how different types of Basic Gates can be implemented by the NAND Gate. These experiments can also be performed in the Laboratory easily using 74LS00 IC.
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