Table of Contents

1 Introduction.- 1.1 Overview of Book.- 2 Hierarchy of Limits of Power.- 2.1 Introduction.- 2.2 Background.- 2.3 Theoretical Limits.- 2.4 Quasi-Adiabatic Microelectronics.- 2.5 Practical Limits.- 2.6 Conclusion.- 3 Sources of Power Consumption.- 3.1 Switching Component of Power.- 3.2 Short-circuit Component of Power.- 3.3 Leakage Component of Power.- 3.4 Static Power.- 3.5 Summary.- 4 Voltage Scaling Approaches.- 4.1 Reliability-Driven Voltage Scaling.- 4.2 Technology-Driven Voltage Scaling.- 4.3 Energy x Delay Minimum Based Voltage Scaling.- 4.4 Voltage Scaling Through Optimal Transistor Sizing.- 4.5 Voltage Scaling Using Threshold Reduction.- 4.6 Architecture-Driven Voltage Scaling.- 4.7 Summary.- 5 DC Power Supply Design in Portable Systems.- 5.1 Voltage Regulation Enhances System Run-time.- 5.2 DC-DC Converter Topology Selection.- 5.3 Converter Miniaturization.- 5.4 Circuit Optimizations for High Efficiency.- 6 Adiabatic Switching.- 6.1 Adiabatic Charging.- 6.2 Adiabatic Amplification.- 6.3 Adiabatic Logic Gates.- 6.4 Stepwise Charging.- 6.5 Pulsed-Power Supplies.- 6.6 Summary.- 6.7 Acknowledgments.- 7 Minimizing Switched Capacitance.- 7.1 Algorithmic Optimization.- 7.2 Architecture Optimization.- 7.3 Logic Optimization.- 7.4 Circuit Optimization.- 7.5 Physical Design.- 7.6 Summary.- 8 Computer Aided Design Tools.- 8.1 Previous Work.- 8.2 Application of Transformations to Minimize Power.- 8.3 Cost Function.- 8.4 Optimization Algorithm.- 8.5 Examples and Results.- 8.6 Summary.- 9 A Portable Multimedia Terminal.- 9.1 Technology Trends for Low Power Portable Systems.- 9.2 System Partitioning for Low-power.- 9.3 Architecture of the Portable Multimedia Terminal.- 9.4 Low Power Implementation of the I/O Processing Modules.- 9.5 System Implementation.- 9.6 Summary.- 10 LowPower Programmable Computation.- 10.1 Architectural Approaches to Low-power.- 10.2 Shutdown Techniques.- 10.3 Architecture-Driven Voltage Reduction.- 10.4 Summary.- 11 Conclusions.

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