Design & Implement Up/down Counter with mode control using IC-74191 / IC-74193. Draw Timing Diagram.

Ashwani Singh
Ashwani Singh
• Created on Nov 7, 2025 • 1 • 1 • 1
Edit Circuit Copy Circuit Try Yourself
Design & Implement Up/down Counter with mode control using IC-74191 / IC-74193. Draw Timing Diagram.
100%

Integrated Circuits Used

74LS191

Procedure

  1. Add IC 74LS191 into ICBase-1 (74LS191).
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS191).
  3. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS191).
  4. Connect GND Port to Pin-19 (Input) of ICBase-1 (74LS191).
  5. Connect Input-1 to Pin-1 (Input) of ICBase-1 (74LS191).
  6. Connect Input-2 to Pin-14 (Input) of ICBase-1 (74LS191).
  7. Connect GND Port to Pin-14 (Input) of ICBase-1 (74LS191).
  8. Connect GND Port to Pin-13 (Input) of ICBase-1 (74LS191).
  9. Connect GND Port to Pin-1 (Input) of ICBase-1 (74LS191).
  10. Connect Clock port of 1Hz frequency to Pin-18 (Input) of ICBase-1 (74LS191).
  11. Connect Output-0 to Pin-3 (Output) of ICBase-1 (74LS191).
  12. Connect Output-1 to Pin-2 (Output) of ICBase-1 (74LS191).
  13. Connect Output-2 to Pin-6 (Output) of ICBase-1 (74LS191).
  14. Connect Output-3 to Pin-7 (Output) of ICBase-1 (74LS191).
  15. Connect GND Port to Pin-5 (Input) of ICBase-1 (74LS191).
  16. Connect GND Port to Pin-4 (Input) of ICBase-1 (74LS191).
  17. Connect Input-0 to Pin-19 (Input) of ICBase-1 (74LS191).
  18. Connect Pin-15 (Input) of ICBase-1 (74LS191) to VCC Port.