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## PowerPoint Slideshow about ' Lecture No. 14' - hoang

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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

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Odd-Parity Function

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SOP Expression SImplification

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Simplifying Expression

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Odd-Parity Generator Circuit

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Operation of Odd-Parity circuit

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XOR Gate

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XNOR Gate

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Combinational Functional Devices

- Comparators
- BCD to 7-Segment
- Parity Generator Circuit

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Half & Full Adders

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Half-Adder Function Table

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Half-Adder Circuit

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Full-Adder Function Table

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Sum Expression

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Carry Out Expression

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Full-Adder Circuit

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Full-Adder based on Two Half-Adders

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4-bit Parallel Adder

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Look-Ahead Carry Circuit

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Sum & Carry Expressions

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Carry Expressions

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Look-Ahead Carry Generator

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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

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12-bit Parallel Adder

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