4

Clock Skew Scheduling for Improved Reliability*

Ivan S. Kourtev,     Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA

Eby G. Friedman,     Department of Electrical and Computer Engineering, University of Rochester, Rochester, New York, USA

4.1. Introduction

4.2. Background

4.2.1. Permissible Range of Clock Skew

4.2.2. Graphical Model of a Synchronous System

4.2.3. Clock Scheduling

4.3. Clock Scheduling for Improved Reliability

4.3.1. Problem Formulation

4.4. Derivation of the QP Algorithm

4.4.1. The Circuit Graph

4.4.2. Linear Dependence of Clock Skews

4.4.3. Optimization Problem and Solution

4.5. Practical Considerations

4.5.1. Computational Analysis

4.5.2. Summary ...

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