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Modeling for SRAM reliability degradation due to gate oxide breakdown with a compact current model

  • Rui Zhang
  • , Taizhi Liu
  • , Kexin Yang
  • , Linda Milor
  • Georgia Institute of Technology

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

6 Scopus citations

Abstract

Gate oxide breakdown (GOBD) degrades the performance of SRAMs. In this paper, a modeling methodology for SRAM reliability degradation due to GOBD is implemented with a compact current model. SRAM lifetime is obtained from Monte Carlo simulations while considering the duty cycle distribution and process variations. We analyzed the lifetime distribution and failure probability of SRAM cells under different stress, and found that the data cache with a duty cycle distribution closer to 50% has a lower failure probability. Moreover, the effect of Error Correcting Codes (ECC) is also studied.

Original languageEnglish
Title of host publication2017 32nd Conference on Design of Circuits and Integrated Systems, DCIS 2017 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-5
Number of pages5
ISBN (Electronic)9781538651087
DOIs
StatePublished - Jul 2 2017
Event32nd Conference on Design of Circuits and Integrated Systems, DCIS 2017 - Barcelona, Spain
Duration: Nov 22 2017Nov 24 2017

Publication series

Name2017 32nd Conference on Design of Circuits and Integrated Systems, DCIS 2017 - Proceedings
Volume2017-November

Conference

Conference32nd Conference on Design of Circuits and Integrated Systems, DCIS 2017
Country/TerritorySpain
CityBarcelona
Period11/22/1711/24/17

Keywords

  • Current Model
  • Error Correcting Codes
  • GOBD
  • Performance
  • Reliability
  • SRAM

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