3-bit Synchronous UP Counter using IC74LS76

Step-by-Step Procedure

1. Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32
2. Click on 'Next' button to Connect GND and VCC of ICs
3. Click on 'Next' button to Connect Clock-0 to clock port
4. Click on 'Next' button to Connect PR0, PR1 to Vcc
5. Click on 'Next' button to Connect CLR0, CLR1 to Vcc
6. Click on 'Next' button to Connect J0, K0 to Vcc
7. Click on 'Next' button to Connect Q0 to 7-Seg Display
8. Click on 'Next' button to Connect Q0 to Pin-1 of AND Gate
9. Click on 'Next' button to Connect Q0 to J1,K1
10. Click on 'Next' button to Connect Clock-1 to clock port
11. Click on 'Next' button to Connect Q1 to 7-seg Display
12. Click on 'Next' button to Connect Q1 to Pin-2 of AND Gate
13. Click on 'Next' button to Connect output of AND Gate to J2,K2
14. Click on 'Next' button to Connect PR2 and CLR-2 Pins to Vcc port
15. Click on 'Next' button to Connect Clock-2 to clock port
16. Click on 'Next' button to Connect Outputs Q2 to 7-seg Display

Block Diagram

ICs used in this circuit with pin diagram

74LS08

No preview

74LS08

Quad 2-input AND Gates

74LS76

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74LS76

Dual Master-Slave J-K Flip-Flops with Clear, Preset, and Complementary Outputs

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