3. EXPERIMENTAL RESULT Fill in the following truth table Truth Table for XOR Gate: Input A Input B Output F 0 0 0 1 1 0 1 1 Write Boolean function for XNOR gate: F = ------------------------ a. Draw NAND logic diagram for the XNOR gate:
IMPLEMENTATION OF XOR AND XNOR GATES USING NAND
GATES
1. Material Required:
Logic Trainer
Connecting Wires
Components(IC’s): 4011
2. Procedure:
It is clear from the logic diagram that the NAND gate implementation of XOR gate requires
five NAND gates. You will need two quad- 2 in NAND gate ICs to perform this experiment.
Gets the required number of ICs containing NAND gates and other apparatus from the lab
attendant. Plug in the ICs in the breadboard of the Logic Trainer. Connect 5Vdc power supply
and ground on pins 14 and 7 respectively. For other pin configuration consult the data sheet (we
have already used NAND gates in the first lab so it should not be a problem). Wire your circuit
according to the logic diagram for XOR gate as given above. Once you have wired the circuit,
check it with your instructor and, if approved, power up your circuit. The outputs should be
connected to the LEDs on the Logic Trainer for monitoring purpose. Apply different input
combinations at the input and note down the outputs and fill in the following truth table. This
truth table should confirm to the one given in theory.
Repeat the same procedure for NAND gate implementation of XNOR gate.
3. EXPERIMENTAL RESULT
Fill in the following truth table
Truth Table for XOR Gate:
Input A Input B Output F
0 0
0 1
1 0
1 1
Write Boolean function for XNOR gate:
F = ------------------------
a. Draw NAND logic diagram for the XNOR gate:
b. Truth Table for XNOR Gate:
Input A Input B Output F
0 0
0 1
1 0
1 1
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