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Lecture No. 14

Lecture No. 14. Combinational Functional Devices. Digital Logic &Design Vishal Jethva Lecture 14 svbitec.wordpress.com. Recap. Odd-Prime Number Detector Circuit Using Quine-McCluskey Method Combinational Logic Implemented in SOP and POS form Design and Implementation Steps

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Lecture No. 14

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  1. Lecture No. 14 Combinational Functional Devices svbitec.wordpress.com

  2. Digital Logic &Design Vishal Jethva Lecture 14 svbitec.wordpress.com svbitec.wordpress.com

  3. Recap • Odd-Prime Number Detector Circuit • Using Quine-McCluskey Method • Combinational Logic • Implemented in SOP and POS form • Design and Implementation Steps • Timing Diagram • Active High/Low inputs/outputs svbitec.wordpress.com

  4. Odd-Parity Function svbitec.wordpress.com

  5. SOP Expression SImplification svbitec.wordpress.com

  6. Simplifying Expression svbitec.wordpress.com

  7. Odd-Parity Generator Circuit svbitec.wordpress.com

  8. Operation of Odd-Parity circuit svbitec.wordpress.com

  9. XOR & XNOR Gates • XOR function • XNOR function svbitec.wordpress.com

  10. XOR Gate svbitec.wordpress.com

  11. XNOR Gate svbitec.wordpress.com

  12. Combinational Functional Devices • Comparators • BCD to 7-Segment • Parity Generator Circuit svbitec.wordpress.com

  13. Half & Full Adders • Half Adder • Full Adder svbitec.wordpress.com

  14. Half & Full Adders svbitec.wordpress.com

  15. Half-Adder • Function Table • Expression • Logic Circuit svbitec.wordpress.com

  16. Half-Adder Function Table svbitec.wordpress.com

  17. Half-Adder Circuit svbitec.wordpress.com

  18. Full-Adder • Function Table • Expression • Logic Circuit svbitec.wordpress.com

  19. Full-Adder Function Table svbitec.wordpress.com

  20. Sum Expression svbitec.wordpress.com

  21. Carry Out Expression svbitec.wordpress.com

  22. Full-Adder Circuit svbitec.wordpress.com

  23. Full-Adder • Full-Adder = Half-Adder + Half-Adder svbitec.wordpress.com

  24. Full-Adder based on Two Half-Adders svbitec.wordpress.com

  25. Parallel Binary Adder • Multiple Single bit Full-Adder connected in Parallel svbitec.wordpress.com

  26. 4-bit Parallel Adder svbitec.wordpress.com

  27. Carry Propagation • Carry Ripple • Look-Ahead Carry Circuits svbitec.wordpress.com

  28. Look-Ahead Carry Circuit svbitec.wordpress.com

  29. Sum & Carry Expressions svbitec.wordpress.com

  30. Carry Expressions svbitec.wordpress.com

  31. Look-Ahead Carry Generator svbitec.wordpress.com

  32. MSI-Adders • 74LS83A • 74LS283 • 16-pin ICs • 4-bit A input • 4-bit B input • 4-bit Sum output • 1-bit Carry in • 1-bit Carry Out svbitec.wordpress.com

  33. 12-bit Parallel Adder svbitec.wordpress.com

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