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Integrating Functional and Temporal Domains in Logic Design

The False Path Problem and Its Implications

  • Patrick C. McGeer
  • Robert K. Brayton

Table of contents

  1. Front Matter
    Pages i-xxiii
  2. Patrick C. McGeer, Robert K. Brayton
    Pages 1-27
  3. Patrick C. McGeer, Robert K. Brayton
    Pages 29-53
  4. Patrick C. McGeer, Robert K. Brayton
    Pages 55-95
  5. Patrick C. McGeer, Robert K. Brayton
    Pages 97-124
  6. Patrick C. McGeer, Robert K. Brayton
    Pages 125-140
  7. Patrick C. McGeer, Robert K. Brayton
    Pages 141-159
  8. Back Matter
    Pages 161-212

About this book

Introduction

This book is an extension of one author's doctoral thesis on the false path problem. The work was begun with the idea of systematizing the various solutions to the false path problem that had been proposed in the literature, with a view to determining the computational expense of each versus the gain in accuracy. However, it became clear that some of the proposed approaches in the literature were wrong in that they under­ estimated the critical delay of some circuits under reasonable conditions. Further, some other approaches were vague and so of questionable accu­ racy. The focus of the research therefore shifted to establishing a theory (the viability theory) and algorithms which could be guaranteed correct, and then using this theory to justify (or not) existing approaches. Our quest was successful enough to justify presenting the full details in a book. After it was discovered that some existing approaches were wrong, it became apparent that the root of the difficulties lay in the attempts to balance computational efficiency and accuracy by separating the tempo­ ral and logical (or functional) behaviour of combinational circuits. This separation is the fruit of several unstated assumptions; first, that one can ignore the logical relationships of wires in a network when considering timing behaviour, and, second, that one can ignore timing considerations when attempting to discover the values of wires in a circuit.

Keywords

algorithms calculus complexity design environment graph theory logic network networks programming transistor

Authors and affiliations

  • Patrick C. McGeer
    • 1
  • Robert K. Brayton
    • 2
  1. 1.University of British ColumbiaCanada
  2. 2.University of CaliforniaUSA

Bibliographic information

  • DOI https://doi.org/10.1007/978-1-4615-3960-5
  • Copyright Information Kluwer Academic Publishers 1991
  • Publisher Name Springer, Boston, MA
  • eBook Packages Springer Book Archive
  • Print ISBN 978-1-4613-6768-0
  • Online ISBN 978-1-4615-3960-5
  • Series Print ISSN 0893-3405
  • Buy this book on publisher's site
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