mod 7 using 7490

tarun
tarun singh
• Created on Dec 28, 2022 • 0 • 0 • 2
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mod 7 using 7490
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Integrated Circuits Used

74LS90 74LS21

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS21 into ICBase-2 (74LS21).
  3. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).
  4. Connect Output-0 to Pin-18 (Output) of ICBase-1 (74LS90).
  5. Connect Output-1 to Pin-15 (Output) of ICBase-1 (74LS90).
  6. Connect Output-2 to Pin-14 (Output) of ICBase-1 (74LS90).
  7. Connect Output-3 to Pin-17 (Output) of ICBase-1 (74LS90).
  8. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  9. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  10. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  11. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  12. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  13. Connect Pin-1 (Input) of ICBase-2 (74LS21) to Pin-18 (Output) of ICBase-1 (74LS90).
  14. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS21).
  15. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS21).
  16. Connect Pin-2 (Input) of ICBase-2 (74LS21) to Pin-15 (Output) of ICBase-1 (74LS90).
  17. Connect Pin-14 (Output) of ICBase-1 (74LS90) to Pin-4 (Input) of ICBase-2 (74LS21).
  18. Connect VCC Port to Pin-5 (Input) of ICBase-2 (74LS21).
  19. Connect Pin-2 (Input) of ICBase-1 (74LS90) to Pin-6 (Output) of ICBase-2 (74LS21).
  20. Connect Pin-3 (Input) of ICBase-1 (74LS90) to Pin-6 (Output) of ICBase-2 (74LS21).