One Bit Comparator

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Preview of One Bit Comparator with 74LS08, 74LS02 and 74LS04 ICs
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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add IC-74LS04 (NOT Gate)

Click on 'Next' button to Add IC-74LS04 (NOT Gate)

2. Click on 'Next' button to Add IC-74LS08 (AND Gate)

Click on 'Next' button to Add IC-74LS08 (AND Gate)

3. Click on 'Next' button to Add IC-74LS02 (NOR Gate)

Click on 'Next' button to Add IC-74LS02 (NOR Gate)

4. Click on 'Next' button to Connect GND and VCC of both IC

Click on 'Next' button to Connect GND and VCC of both IC

5. Click on 'Next' button to Connect Input-A to Pin-1 of NOT Gate

Click on 'Next' button to Connect Input-A to Pin-1 of NOT Gate

6. Click on 'Next' button to Connect Input-B to Pin-3 of NOT Gate

Click on 'Next' button to Connect Input-B to Pin-3 of NOT Gate

7. Click on 'Next' button to Connect Output of NOT Gate-1 to Pin-1 of AND Gate-1

Click on 'Next' button to Connect Output of NOT Gate-1 to Pin-1 of AND Gate-1

8. Click on 'Next' button to Connect Output of NOT Gate-2 to Pin-2 of AND Gate-2

Click on 'Next' button to Connect Output of NOT Gate-2 to Pin-2 of AND Gate-2

9. Click on 'Next' button to Connect Input-A to Pin-1 of AND Gate-2

Click on 'Next' button to Connect Input-A to Pin-1 of AND Gate-2

10. Click on 'Next' button to Connect Input-B to Pin-2 of AND Gate-1

Click on 'Next' button to Connect Input-B to Pin-2 of AND Gate-1

11. Click on 'Next' button to Connect Output of AND Gate-1 to Pin-1 of NOR Gate

Click on 'Next' button to Connect Output of AND Gate-1 to Pin-1 of NOR Gate

12. Click on 'Next' button to Connect Output of AND Gate-2 to Pin-2 of NOR Gate

Click on 'Next' button to Connect Output of AND Gate-2 to Pin-2 of NOR Gate

13. Click on 'Next' button to Connect Output of NOR Gate to output port as 'A=B'

Click on 'Next' button to Connect Output of NOR Gate to output port as 'A=B'

14. Click on 'Next' button to Connect Output of AND Gate-1 to output port as 'A<B'

Click on 'Next' button to Connect Output of AND Gate-1 to output port as 'A<B'

15. Click on 'Next' button to Connect Output of AND Gate-2 to output port as 'A>B'

Click on 'Next' button to Connect Output of AND Gate-2 to output port as 'A>B'

Done

You have completed the tutorial. Power on the circuit to test the behavior.

Step-by-Step Procedure

  1. Click on 'Next' button to Add IC-74LS04 (NOT Gate)
  2. Click on 'Next' button to Add IC-74LS08 (AND Gate)
  3. Click on 'Next' button to Add IC-74LS02 (NOR Gate)
  4. Click on 'Next' button to Connect GND and VCC of both IC
  5. Click on 'Next' button to Connect Input-A to Pin-1 of NOT Gate
  6. Click on 'Next' button to Connect Input-B to Pin-3 of NOT Gate
  7. Click on 'Next' button to Connect Output of NOT Gate-1 to Pin-1 of AND Gate-1
  8. Click on 'Next' button to Connect Output of NOT Gate-2 to Pin-2 of AND Gate-2
  9. Click on 'Next' button to Connect Input-A to Pin-1 of AND Gate-2
  10. Click on 'Next' button to Connect Input-B to Pin-2 of AND Gate-1
  11. Click on 'Next' button to Connect Output of AND Gate-1 to Pin-1 of NOR Gate
  12. Click on 'Next' button to Connect Output of AND Gate-2 to Pin-2 of NOR Gate
  13. Click on 'Next' button to Connect Output of NOR Gate to output port as 'A=B'
  14. Click on 'Next' button to Connect Output of AND Gate-1 to output port as 'A<B'
  15. Click on 'Next' button to Connect Output of AND Gate-2 to output port as 'A>B'

Block Diagram

Block diagram representing pin diagram of One Bit Comparator with 74LS08, 74LS02 and 74LS04 ICs

ICs used in this circuit with pin diagram



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