Page 163 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

EXERCISE 69 : Verify truth Tables of Logic gates

Objectives

At the end of this exercise you shall be able to:
• Draw the logic IC connection diagrams
• assemble the circuit
• verify the truth Tables of OR, AND, NOT, EXOR, NAND, NOR logic gates.
Requirements

Tools/Equipments/Instruments
• Insulated combination • LED -1 No.
pliers 150mm -1 No. • DC power supply 0-30 V -1 No.
• Electrician knife 75mm -1 No. • Gate IC’s 7408,7432,7404,
• Tweezers 75mm -1 No. 7486,7400,7402 -1 No Each.
• Multi meter Digital -1 No. • Bread board 175 X 67 X 8 mm -1 No.
Materials • Hook up wire -1 m.
• Resistor 470 Ω -1 No.
Procedure

TASK 1: Draw the logic IC connection diagrams
1 Draw the circuit diagram for each logic gate IC’s.(Refer Fig 1 to Fig 6)
2 Identify pins for inputs and outputs, Vcc and Ground for each IC.

3 Record pin numbers in the Table 1
Table 1

Ground Input Output
IC Part Vcc pin Input pin (A)
Sl. No IC Logic Pin pin (B) pin(Q)
number number number
number number number
1 NOT

2 OR

3 AND

4 NAND

5 NOR

6 EXOR

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