L. Pang, P. Restle, M. Wordeman, J. Silberman, R. Franch, G. Maier
{"title":"A shorted global clock design for multi-GHz 3D stacked chips","authors":"L. Pang, P. Restle, M. Wordeman, J. Silberman, R. Franch, G. Maier","doi":"10.1109/VLSIC.2012.6243844","DOIUrl":null,"url":null,"abstract":"A global clock distribution technique for 3D stacked chips where the clock tree and grid are shorted between strata is presented and compared with a DLL-based technique. Both permit at-speed testing of the strata before and after stack assembly. The shorting-based technique is implemented in a 2-strata eDRAM test chip using an IBM 45nm SOI 3D technology. Operation above 2.5GHz is measured.","PeriodicalId":6347,"journal":{"name":"2012 Symposium on VLSI Circuits (VLSIC)","volume":"48 1","pages":"170-171"},"PeriodicalIF":0.0000,"publicationDate":"2012-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Symposium on VLSI Circuits (VLSIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VLSIC.2012.6243844","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
A global clock distribution technique for 3D stacked chips where the clock tree and grid are shorted between strata is presented and compared with a DLL-based technique. Both permit at-speed testing of the strata before and after stack assembly. The shorting-based technique is implemented in a 2-strata eDRAM test chip using an IBM 45nm SOI 3D technology. Operation above 2.5GHz is measured.
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