3 bit asychronous up counter and down counter combine

Parth
Parth Kulkarni
• Created on Nov 26, 2024 • 0 • 0 • 1
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3 bit asychronous up counter and down counter combine
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Integrated Circuits Used

74LS76

Description

3 bit asychronoums counter up and down counter combined for up counter we have connected the output q2,q1,q0 and for down counter we have connected the q2 compliment up to q0 to output ports

Procedure

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