Enabling Adaptability Through Elastic Clocks

Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Power and performance benefits of scaling are lost to worst case margins as uncertainty of device characteristics is increasing. Adaptive techniques can dynamically adjust the margins required to tolerate variability and recover a significant part of the benefits lost due to worst-case conditions. Additionally, the stringent timing requirements for the synthesis of low-skew clock trees involve higher power consumption, and limit the adaptability to varying operating conditions. This paper introduces an elastic clocking scheme as an adaptive technique to confront variability and provide substantial power savings by dynamically adjusting to operating conditions.

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