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How many 2 input NAND gates will be needed in order to construct a 3 input NAND?
Cheers. There are two ways to make 2 input NAND gate using 3 input NAND gate as shown below.
How do you make 3 input AND gate from 2 input AND gate?
Start by building the 2-input AND block from the last experiment, but plug the output of that into the input of another AND. Then add an Input Block to the second AND’s second input. Complete the circuit by adding a Power Block to the output of the second AND.
How do we realize a 3 input NAND gate from 2 input NAND gates?
Figure 4.1: 3-input NAND gate built from 2-input NAND gates. An alternative design for the 3-input NAND gate uses CMOS transistors as building blocks, as shown in Figure 4.2. This circuit needs only 6 transistors, and is symmetric w.r.t. its inputs. Output \(Y\) is 0 only if all inputs are 1.
Is it possible to make a three input NAND NOR gate with a two input NAND or gate justify your answer?
You can do the same thing with NOR gates, just substitute them for the NANDs. The second solution keeps the propagation delays the same for all three inputs. You can do the same thing with NOR gates, just substitute them for the NANDs. Two different solutions for both NAND and NOR gate is as shown below.
Can a NAND gate take 3 inputs?
As with the AND function seen previously, the NAND function can also have any number of individual inputs and commercial available NAND Gate IC’s are available in standard 2, 3, or 4 input types. If additional inputs are required, then the standard NAND gates can be cascaded together to provide more inputs for example.
Can you realize a 2-input NOR using 2-input NAND gates only?
NAND gate is actually a combination of two logic gates i.e. AND gate followed by NOT gate. This gate can have minimum two inputs, output is always one. By using only NAND gates, we can realize all logic functions: AND, OR, NOT, X-OR, X-NOR, NOR. So this gate is also called as universal gate.