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Narrowing the margins with elastic clocks

Lookup NU author(s): Dr Danil Sokolov

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Abstract

The continuous shrinking of process geometries increases variability and demands for conservative margins that have a negative impact on performance. With conventional clocks, the cycle period has to be defined to accommodate the worst-case variations during the lifetime of the circuit. Elastic Clocks arise as a new paradigm to reduce the margins without sacrificing robustness. Their cycle-by-cycle adaptation to static and dynamic variability enables the use of reduced margins that only need to cover the differential variability of the circuit delays with regard to the elastic period. Given the substantial spatio-temporal correlation within every die, a significant reduction in the margins required to cover process variability, voltage and temperature fluctuations and aging can be achieved.


Publication metadata

Author(s): Cortadella J, Lavagno L, Amiri D, Casanova J, Macián C, Martorell F, Moya J, Necchi L, Sokolov D, Tuncer E

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE International Conference on Integrated Circuit Design and Technology (ICICDT)

Year of Conference: 2010

Pages: 146-150

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ICICDT.2010.5510273

DOI: 10.1109/ICICDT.2010.5510273

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424457748


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