JK flipflop dountdown

ritesh
ritesh aukhojee
• Created on Jul 21, 2022 • 0 • 0 • 1
JK flipflop dountdown
100%

Integrated Circuits Used

Description

remember to set clr to 1(it resets the counter) also to reverse counting, send Q to lamp instead of Q'

Procedure

  1. Add IC 74LS76 into ICBase-1 (74LS76).
  2. Add IC 74LS76 into ICBase-2 (74LS76).
  3. Connect Pin-17 (Ground) of ICBase-1 (74LS76) to GND Port.
  4. Connect Pin-17 (Ground) of ICBase-2 (74LS76) to Pin-17 (Ground) of ICBase-1 (74LS76).
  5. Connect Pin-5 (VCC) of ICBase-1 (74LS76) to VCC Port.
  6. Connect Pin-5 (VCC) of ICBase-2 (74LS76) to Pin-5 (VCC) of ICBase-1 (74LS76).
  7. Connect Pin-4 (Input) of ICBase-1 (74LS76) to Input-0.
  8. Connect Pin-4 (Input) of ICBase-2 (74LS76) to Input-0.
  9. Connect Pin-20 (Input) of ICBase-1 (74LS76) to Input-0.
  10. Connect Pin-20 (Input) of ICBase-2 (74LS76) to Input-0.
  11. Connect Pin-13 (Input) of ICBase-1 (74LS76) to Input-0.
  12. Connect Pin-13 (Input) of ICBase-2 (74LS76) to Input-0.
  13. Connect Pin-16 (Input) of ICBase-1 (74LS76) to Input-0.
  14. Connect Pin-16 (Input) of ICBase-2 (74LS76) to Input-0.
  15. Connect Pin-1 (Input) of ICBase-1 (74LS76) to Manual clock Port.
  16. Connect Pin-2 (Input) of ICBase-1 (74LS76) to Input-0.
  17. Connect Pin-2 (Input) of ICBase-2 (74LS76) to Input-0.
  18. Connect Pin-7 (Input) of ICBase-1 (74LS76) to Input-0.
  19. Connect Input-0 to Pin-7 (Input) of ICBase-2 (74LS76).
  20. Connect Pin-6 (Input) of ICBase-1 (74LS76) to Pin-19 (Output) of ICBase-1 (74LS76).
  21. Connect Pin-1 (Input) of ICBase-2 (74LS76) to Pin-15 (Output) of ICBase-1 (74LS76).
  22. Connect Pin-6 (Input) of ICBase-2 (74LS76) to Pin-19 (Output) of ICBase-2 (74LS76).
  23. Connect Input-1 to Pin-3 (Input) of ICBase-1 (74LS76).
  24. Connect Input-1 to Pin-8 (Input) of ICBase-1 (74LS76).
  25. Connect Input-1 to Pin-3 (Input) of ICBase-2 (74LS76).
  26. Connect Input-1 to Pin-8 (Input) of ICBase-2 (74LS76).
  27. Connect Output-12 to Pin-18 (Output) of ICBase-1 (74LS76).
  28. Connect Output-13 to Pin-14 (Output) of ICBase-1 (74LS76).
  29. Connect Output-14 to Pin-18 (Output) of ICBase-2 (74LS76).
  30. Connect Output-15 to Pin-14 (Output) of ICBase-2 (74LS76).