Lecture_8 - ECE 331 Digital System Design Switching (Logic)...

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ECE 331 – Digital System Design Switching (Logic) Circuit Design
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Design Concepts Combinational Logic Circuits - Outputs are functions of (present) inputs - No memory - Can be described using Boolean expressions Hierarchical design - Used to solve large design problems - Break problem into smaller (sub-)problems - Solve each sub-problem (i.e. realize design) - Combine individual solutions
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Design Concepts Specification - Describes the problem to be solved. - Describes what needs to be done, not how to do it. Implementation - Describes how the problem is solved.
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Design Concepts Issues - Most solutions are not unique. More than one solution may meet the specifications - Cannot always satisfy all of the requirements. - Must identify (and study) design tradeoffs. Cost Speed Power consumption etc.
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1. Identify requirements (i.e. circuit specifications) 2. Determine the inputs and outputs. 3.
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This note was uploaded on 01/24/2011 for the course ECE 331 taught by Professor Staff during the Spring '08 term at George Mason.

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Lecture_8 - ECE 331 Digital System Design Switching (Logic)...

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