3-bit Synchronous UP Counter using IC74LS76

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Preview of 3-bit Synchronous UP Counter using IC74LS76 with 74LS08 and 74LS76 ICs
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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32

Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32

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 Clock-0 to clock port

Click on 'Next' button to Connect Clock-0 to clock port

4. Click on 'Next' button to Connect PR0, PR1 to Vcc

Click on 'Next' button to Connect PR0, PR1 to Vcc

5. Click on 'Next' button to Connect CLR0, CLR1 to Vcc

Click on 'Next' button to Connect CLR0, CLR1 to Vcc

6. Click on 'Next' button to Connect J0, K0 to Vcc

Click on 'Next' button to Connect J0, K0 to Vcc

7. Click on 'Next' button to Connect Q0 to 7-Seg Display

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

Click on 'Next' button to Connect Q0 to Pin-1 of AND Gate

9. Click on 'Next' button to Connect Q0 to J1,K1

Click on 'Next' button to Connect Q0 to J1,K1

10. Click on 'Next' button to Connect Clock-1 to clock port

Click on 'Next' button to Connect Clock-1 to clock port

11. Click on 'Next' button to Connect Q1 to 7-seg Display

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

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

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

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

Click on 'Next' button to Connect Clock-2 to clock port

16. Click on 'Next' button to Connect Outputs Q2 to 7-seg Display

Click on 'Next' button to Connect Outputs Q2 to 7-seg Display

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-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

Block diagram representing pin diagram of 3-bit Synchronous UP Counter using IC74LS76 with 74LS08 and 74LS76 ICs

ICs used in this circuit with pin diagram

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

74LS08

Quad 2-input AND Gates
Pin diagram of Dual Master-Slave J-K Flip-Flops with Clear, Preset, and Complementary Outputs - 74LS76

74LS76

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


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