3-Bit Async. Down Counter

Siddhesh
Siddhesh Kabra
• Created on Nov 27, 2023 • 0 • 0 • 1
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3-Bit Async. Down Counter
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Integrated Circuits Used

74LS76

Procedure

  1. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  2. Connect Pin-5 (VCC) of ICBase-3 (74LS76) to VCC Port.
  3. Connect Pin-17 (Ground) of ICBase-2 (74LS76) to GND Port.
  4. Connect GND Port to Pin-17 (Ground) of ICBase-3 (74LS76).
  5. Connect VCC Port to Pin-4 (Input) of ICBase-2 (74LS76).
  6. Connect Pin-20 (Input) of ICBase-2 (74LS76) to VCC Port.
  7. Connect Pin-1 (Input) of ICBase-2 (74LS76) to Clock port of 5Hz frequency.
  8. Connect VCC Port to Pin-2 (Input) of ICBase-2 (74LS76).
  9. Connect Pin-19 (Output) of ICBase-2 (74LS76) to Seven segment display 1.
  10. Connect Input-0 to Pin-3 (Input) of ICBase-2 (74LS76).
  11. Connect Pin-18 (Output) of ICBase-2 (74LS76) to Pin-6 (Input) of ICBase-2 (74LS76).
  12. Connect VCC Port to Pin-13 (Input) of ICBase-2 (74LS76).
  13. Connect VCC Port to Pin-16 (Input) of ICBase-2 (74LS76).
  14. Connect VCC Port to Pin-7 (Input) of ICBase-2 (74LS76).
  15. Connect Input-0 to Pin-8 (Input) of ICBase-2 (74LS76).
  16. Connect Seven segment display 1 to Pin-15 (Output) of ICBase-2 (74LS76).
  17. Connect Pin-14 (Output) of ICBase-2 (74LS76) to Pin-1 (Input) of ICBase-3 (74LS76).
  18. Connect Pin-4 (Input) of ICBase-3 (74LS76) to VCC Port.
  19. Connect VCC Port to Pin-20 (Input) of ICBase-3 (74LS76).
  20. Connect Pin-2 (Input) of ICBase-3 (74LS76) to VCC Port.
  21. Connect Input-0 to Pin-3 (Input) of ICBase-3 (74LS76).
  22. Connect Pin-19 (Output) of ICBase-3 (74LS76) to Seven segment display 1.
  23. Add IC 74LS76 into ICBase-2 (74LS76).
  24. Add IC 74LS76 into ICBase-3 (74LS76).