Design and Implement MOD-N and MOD-NN using IC-7490 and draw Timing diagram.

Ashwani Singh
Ashwani Singh
• Created on Nov 7, 2025 • 2 • 0 • 2
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Design and Implement MOD-N and MOD-NN using IC-7490 and draw Timing diagram.
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Integrated Circuits Used

74LS90 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  3. Connect Pin-1 (Input) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-1 (74LS90).
  4. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  5. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  6. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  7. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  8. Add IC 74LS08 into ICBase-2 (74LS08).
  9. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  10. Connect Pin-7 (Ground) of ICBase-2 (74LS08) to GND Port.
  11. Connect GND Port to Pin-2 (Input) of ICBase-1 (74LS90).
  12. Connect GND Port to Pin-3 (Input) of ICBase-1 (74LS90).
  13. Connect Output-3 to Pin-18 (Output) of ICBase-1 (74LS90).
  14. Connect Output-2 to Pin-15 (Output) of ICBase-1 (74LS90).
  15. Connect Output-1 to Pin-14 (Output) of ICBase-1 (74LS90).
  16. Connect Output-0 to Pin-17 (Output) of ICBase-1 (74LS90).