mod 7 counter using IC 7490

Vedant
Vedant Kharkar
• Created on Dec 9, 2020 • 0 • 0 • 3
Edit Circuit Copy Circuit Try Yourself
mod 7 counter using IC 7490
100%

Integrated Circuits Used

74LS90 74LS11 74LS32

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS11 into ICBase-2 (74LS11).
  3. Add IC 74LS32 into ICBase-3 (74LS32).
  4. Connect Input-13 to Pin-6 (Input) of ICBase-1 (74LS90).
  5. Connect Input-13 to Pin-7 (Input) of ICBase-1 (74LS90).
  6. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  7. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS11).
  8. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS32).
  9. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  10. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS11).
  11. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  12. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  13. Connect Output-8 to Pin-17 (Output) of ICBase-1 (74LS90).
  14. Connect Output-7 to Pin-14 (Output) of ICBase-1 (74LS90).
  15. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).
  16. Connect Pin-3 (Output) of ICBase-3 (74LS32) to Pin-2 (Input) of ICBase-1 (74LS90).
  17. Connect Pin-3 (Output) of ICBase-3 (74LS32) to Pin-3 (Input) of ICBase-1 (74LS90).
  18. Connect Output-6 to Pin-15 (Output) of ICBase-1 (74LS90).
  19. Connect Pin-2 (Input) of ICBase-2 (74LS11) to Pin-15 (Output) of ICBase-1 (74LS90).
  20. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-18 (Output) of ICBase-2 (74LS11).
  21. Connect Pin-14 (Output) of ICBase-1 (74LS90) to Pin-19 (Input) of ICBase-2 (74LS11).
  22. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Pin-2 (Input) of ICBase-3 (74LS32).
  23. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-2 (74LS11).
  24. Connect Output-5 to Pin-18 (Output) of ICBase-1 (74LS90).
  25. Connect GND Port to ICBase-1 (74LS90).
  26. Connect Output-7 to ICBase-1 (74LS90).