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

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Presentation on theme: "Lecture No. 14 Combinational Functional Devices svbitec.wordpress.com."— Presentation transcript:

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

2 Digital Logic &Design Vishal Jethva Lecture 14 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 InputOutputInputOutput D3D3 D2D2 D1D1 D0D0 PD3D3 D2D2 D1D1 D0D0 P 0000110000 0001010011 0010010101 0011110110 0100011001 0101111010 0110111100 0111011111 svbitec.wordpress.com

5 SOP Expression SImplification D3D2\D1D0D3D2\D1D0 00011110 001010 010101 111010 100101 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 InputOutput ABSumCarry Out 0000 0110 1010 1101 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 InputOutput ABCarry In (C) SumCarry Out 00000 00110 01010 01101 10010 10101 11001 11111 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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