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Ground bounce reduction in power gating circuits using input vector control

  • Yu Sun*
  • , Liyi Xiao
  • , Yuan Liu
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Power gating is one of the most effective ways to reduce leakage power by shutting off the idle blocks in a system-on-a-chip. However, a current surge occurs when the gated blocks wake up from sleep mode, causing voltage fluctuations on the power rails, which is called ground bounce effect. In this paper, input vector control method is used to reduce the ground bounce. Genetic algorithm is applied to generate the proper input vector. Simulation results show that by selecting input vector properly, the maximum voltage fluctuation induced by ground bounce can be reduced by 28% at most on the benchmark circuits.

Original languageEnglish
Title of host publication2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics and Laser Technology, RCSLPLT/ASOT 2010
Pages345-348
Number of pages4
DOIs
StatePublished - 2010
Event2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics and Laser Technology, RCSLPLT/ASOT 2010 - Harbin, China
Duration: 28 Jul 20101 Aug 2010

Publication series

Name2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics and Laser Technology, RCSLPLT/ASOT 2010

Conference

Conference2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics and Laser Technology, RCSLPLT/ASOT 2010
Country/TerritoryChina
CityHarbin
Period28/07/101/08/10

Keywords

  • Genetic algorithm
  • Ground bounce
  • Input vector control
  • Power gating

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