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New electromigration model and its potential application on degradation simulation for FinFET SRAM

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

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

2 Scopus citations

Abstract

In this paper, a new EM model is proposed to describe the interconnect resistance change. This model consists of a time-dependent hydrostatic stress distribution and resistance shift calculations. Hydrostatic stress is obtained from the solution of material transport equations and suitable boundary conditions. The resistance shift is calculated from the stress distribution, atomic divergence, and a special resistance evaluation methodology. Then the calibrated EM model is applied to simulation for a FinFET SRAM array while considering process parameter variations. EM effects on SRAM performance degradation are analyzed.

Original languageEnglish
Title of host publication2018 IEEE International Integrated Reliability Workshop, IIRW 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538660393
DOIs
StatePublished - Oct 2018
Event2018 IEEE International Integrated Reliability Workshop, IIRW 2018 - South Lake Tahoe, United States
Duration: Oct 7 2018Oct 11 2018

Publication series

NameIEEE International Integrated Reliability Workshop Final Report
ISSN (Print)1930-8841
ISSN (Electronic)2374-8036

Conference

Conference2018 IEEE International Integrated Reliability Workshop, IIRW 2018
Country/TerritoryUnited States
CitySouth Lake Tahoe
Period10/7/1810/11/18

Keywords

  • Electromigration
  • FinFET
  • Hydrostatic Stress
  • Performance Degradation
  • Resistance Model
  • SRAM

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