7490 decade counter - Copy

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• Created on Nov 12, 2024 • 0 • 0 • 2
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7490 decade counter - Copy
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Integrated Circuits Used

74LS90 74LS08

Procedure

  1. Connect Pin-5 (VCC) of ICBase-1 (74LS90) to VCC Port.
  2. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  3. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  4. Connect Pin-3 (Input) of ICBase-1 (74LS90) to Pin-3 (Output) of ICBase-2 (74LS08).
  5. Connect Pin-3 (Output) of ICBase-2 (74LS08) to Pin-2 (Input) 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. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).
  9. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-2 (Input) of ICBase-2 (74LS08).
  10. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Output-3.
  11. Connect Pin-14 (Output) of ICBase-1 (74LS90) to Output-2.
  12. Connect Pin-15 (Output) of ICBase-1 (74LS90) to Output-1.
  13. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Output-0.
  14. Connect Pin-14 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-2 (74LS08).
  15. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  16. Connect Pin-20 (Input) of ICBase-1 (74LS90) to Clock port of 0.5Hz frequency.
  17. Add IC 74LS90 into ICBase-1 (74LS90).
  18. Add IC 74LS08 into ICBase-2 (74LS08).