One Bit Comparator

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Preview of One Bit Comparator with 74LS04, 74LS08 and 74LS86 ICs
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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add ICs-74LS86, 74LS04 and 74LS08

Click on 'Next' button to Add ICs-74LS86, 74LS04 and 74LS08

2. Click on 'Next' button to Connect GND and VCC of ICs

Click on 'Next' button to Connect GND and VCC of ICs

3. Click on 'Next' button to Connect 'A' to Pin-1 of EX-OR Gate

Click on 'Next' button to Connect 'A' to Pin-1 of EX-OR Gate

4. Click on 'Next' button to Connect 'B' to Pin-2 of EX-OR Gate

Click on 'Next' button to Connect 'B' to Pin-2 of EX-OR Gate

5. Click on 'Next' button to Connect Pin-3 of Ex-OR to Pin-1 of NOT Gate

Click on 'Next' button to Connect Pin-3 of Ex-OR to Pin-1 of NOT Gate

6. Click on 'Next' button to Connect Pin-2 of NOT Gate to Output port as 'A=B'

Click on 'Next' button to Connect Pin-2 of NOT Gate to Output port as 'A=B'

7. Click on 'Next' button to Connect 'A' to Pin-1 of AND Gate

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

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

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

9. Click on 'Next' button to Connect Pin-4 of NOT Gate to Pin-2 of AND Gate

Click on 'Next' button to Connect Pin-4 of NOT Gate to Pin-2 of AND Gate

10. Click on 'Next' button to Connect Pin-3 of AND Gate to Output port as 'A>B'

Click on 'Next' button to Connect Pin-3 of AND Gate to Output port as 'A>B'

11. Click on 'Next' button to Connect 'B' to Pin-5 of AND Gate

Click on 'Next' button to Connect 'B' to Pin-5 of AND Gate

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

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

13. Click on 'Next' button to Connect Pin-6 of NOT Gate to Pin-4 of AND Gate

Click on 'Next' button to Connect Pin-6 of NOT Gate to Pin-4 of AND Gate

14. Click on 'Next' button to Connect Pin-6 of AND Gate to Output port as 'A<B'

Click on 'Next' button to Connect Pin-6 of AND Gate 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 ICs-74LS86, 74LS04 and 74LS08
  2. Click on 'Next' button to Connect GND and VCC of ICs
  3. Click on 'Next' button to Connect 'A' to Pin-1 of EX-OR Gate
  4. Click on 'Next' button to Connect 'B' to Pin-2 of EX-OR Gate
  5. Click on 'Next' button to Connect Pin-3 of Ex-OR to Pin-1 of NOT Gate
  6. Click on 'Next' button to Connect Pin-2 of NOT Gate to Output port as 'A=B'
  7. Click on 'Next' button to Connect 'A' to Pin-1 of AND Gate
  8. Click on 'Next' button to Connect 'B' to Pin-3 of NOT Gate
  9. Click on 'Next' button to Connect Pin-4 of NOT Gate to Pin-2 of AND Gate
  10. Click on 'Next' button to Connect Pin-3 of AND Gate to Output port as 'A>B'
  11. Click on 'Next' button to Connect 'B' to Pin-5 of AND Gate
  12. Click on 'Next' button to Connect 'A' to Pin-5 of NOT Gate
  13. Click on 'Next' button to Connect Pin-6 of NOT Gate to Pin-4 of AND Gate
  14. Click on 'Next' button to Connect Pin-6 of AND Gate to Output port as 'A<B'

Block Diagram

Block diagram representing pin diagram of One Bit Comparator with 74LS04, 74LS08 and 74LS86 ICs

ICs used in this circuit with pin diagram

Pin diagram of Hex Inverting Gates - 74LS04

74LS04

Hex Inverting Gates
Pin diagram of Quad 2-input AND Gates - 74LS08

74LS08

Quad 2-input AND Gates
Pin diagram of Quad 2-input Exclusive-OR Gates - 74LS86

74LS86

Quad 2-input Exclusive-OR Gates


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