MOD 8 Asynchronous Counter using MSI IC 7490

Chinmay
Chinmay Tawade
• Created on May 12, 2025 • 1 • 0 • 1
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MOD 8 Asynchronous Counter using MSI IC 7490
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Integrated Circuits Used

74LS90

Procedure

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