반도체 회로 연결선의 신뢰도 해석을 위한 전류 해석 기법Current Estimation Techniques for Reliability Analysis of Semiconductor Interconnects
- Other Titles
- Current Estimation Techniques for Reliability Analysis of Semiconductor Interconnects
- Authors
- 김기영; 임재호; 김석윤
- Issue Date
- Aug-2010
- Publisher
- 대한전기학회
- Keywords
- Interconnect; Closed-form equation; Segment; Circuit moments
- Citation
- 전기학회논문지ABCD, v.59, no.8, pp.1406 - 1415
- Journal Title
- 전기학회논문지ABCD
- Volume
- 59
- Number
- 8
- Start Page
- 1406
- End Page
- 1415
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/15345
- ISSN
- 1229-2443
- Abstract
- As process technology for semiconductor goes beyond the ultra-deep submicrometer regime, interconnect reliability on a chip has become a serious design concern. As process parameters scale, interconnect widths are reduced rapidly while the current flowing through the interconnect does not decrease in a proportional manner. This trend increases current densities in metal interconnects which may lead to poor reliability for electromigration. Hence, it is critical to estimate the current amount passing through the interconnects earlier in semiconductor design stages. The purpose of this paper is to propose a fast yet accurate current estimation technique that can offer not only analysis time equivalent to those offered by the previous approximation methods but also a relatively precise estimation by using closed-form equations. The accuracy of the proposed technique was confirmed to be about 8 times better on average when compared to the previous work.
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