MOD-8 Counter using D Flip-Flop IC-74LS74

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Preview of MOD-8 Counter using D Flip-Flop IC-74LS74 with 74LS74 ICs
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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add IC-74LS74

Click on 'Next' button to Add IC-74LS74

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

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

3. Click on 'Next' button to Connect Clock Pin to clock port

Click on 'Next' button to Connect Clock Pin to clock port

4. Click on 'Next' button to Connect -QA to 7-Seg Display

Click on 'Next' button to Connect -QA to 7-Seg Display

5. Click on 'Next' button to Connect -QA to D1

Click on 'Next' button to Connect -QA to D1

6. Click on 'Next' button to Connect QA to Clock Pin-2

Click on 'Next' button to Connect QA to Clock Pin-2

7. Click on 'Next' button to Connect -QB to 7-Seg Display

Click on 'Next' button to Connect -QB to 7-Seg Display

8. Click on 'Next' button to Connect -QB to D2

Click on 'Next' button to Connect -QB to D2

9. Click on 'Next' button to Connect CLEAR Pins to input port

Click on 'Next' button to Connect CLEAR Pins to input port

10. Click on 'Next' button to Connect PR Pins to Vcc

Click on 'Next' button to Connect PR Pins to Vcc

11. Click on 'Next' button to Add another IC-74LS74

Click on 'Next' button to Add another IC-74LS74

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

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

13. Click on 'Next' button to Connect CLEAR to input port

Click on 'Next' button to Connect CLEAR to input port

14. Click on 'Next' button to Connect QB to clock port

Click on 'Next' button to Connect QB to clock port

15. Click on 'Next' button to Connect -QA to 7-Seg Display

Click on 'Next' button to Connect -QA to 7-Seg Display

16. Click on 'Next' button to Connect -QC to D2

Click on 'Next' button to Connect -QC to D2

17. Click on 'Next' button to Connect PR Pin to Vcc

Click on 'Next' button to Connect PR Pin to Vcc

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-74LS74
  2. Click on 'Next' button to Connect GND and VCC of IC
  3. Click on 'Next' button to Connect Clock Pin to clock port
  4. Click on 'Next' button to Connect -QA to 7-Seg Display
  5. Click on 'Next' button to Connect -QA to D1
  6. Click on 'Next' button to Connect QA to Clock Pin-2
  7. Click on 'Next' button to Connect -QB to 7-Seg Display
  8. Click on 'Next' button to Connect -QB to D2
  9. Click on 'Next' button to Connect CLEAR Pins to input port
  10. Click on 'Next' button to Connect PR Pins to Vcc
  11. Click on 'Next' button to Add another IC-74LS74
  12. Click on 'Next' button to Connect GND and VCC of IC
  13. Click on 'Next' button to Connect CLEAR to input port
  14. Click on 'Next' button to Connect QB to clock port
  15. Click on 'Next' button to Connect -QA to 7-Seg Display
  16. Click on 'Next' button to Connect -QC to D2
  17. Click on 'Next' button to Connect PR Pin to Vcc

Block Diagram

Block diagram representing pin diagram of MOD-8 Counter using D Flip-Flop IC-74LS74 with 74LS74 ICs

ICs used in this circuit with pin diagram



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