MOD-2 Counter using D Flip-Flop IC-74LS74

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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 CLEAR to input port

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

5. Click on 'Next' button to Connect PR to Vcc

Click on 'Next' button to Connect PR to Vcc

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

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

7. Click on 'Next' button to Connect -Q to D

Click on 'Next' button to Connect -Q to D

Done

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

Step-by-Step Procedure

Dual Positive-Edge-Triggered D-Flip-Flops with Preset, Clear and Complimentary Outputs