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ID:39065713
大小:300.93 KB
页数:6页
时间:2019-06-24
《For Noise and Leakage Reduction躁声和漏电处理》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、DecouplingCapacitorPlanningandSizing∗ForNoiseandLeakageReductionEricWong,JacobMinz,andSungKyuLimSchoolofElectricalandComputerEngineeringGeorgiaInstituteofTechnologyAtlanta,GA30332{ewong,jrminz,limsk}@ece.gatech.eduABSTRACTduringthefloorplanningstageisdesirable.Apioneeringwork
2、ondecap-awarefloorplanningwasproposedby[1].However,ano-Decouplingcapacitor(decap)isapopularmeanstoreducepowerticeablelimitationofthisworkisthatitallowstheblockstoutilizesupplynoiseinintegratedcircuits.Sincethedecapsareusuallytheadjacentwhitespaceonly.Althoughamajorityofcurren
3、tisinsertedinthewhitespaceofthedevicelayer,decapmanagementprovidedbyneighboringdecaps,itisstillpossibleforablocktoduringthefloorplanningstageisdesirable.Inthispaper,wede-drawcurrentfromnon-neighboringdecaps.visetheEffectiveDecapDistancemodeltoanalyzehowfunctionalAsVLSItechnol
4、ogycontinuestoscaledown,noisetolerancesblocksareaffectedbynon-neighboringdecaps.Inaddition,wewillbecometighter.Thiswillincreasetheamountofdecapre-proposeageneralizednetworkflow-basedalgorithmtoallocatequiredtobringpowersupplynoisewithinthetolerances.Tech-thewhitespacetotheblo
5、cksanddeterminetheoxidethicknessesnologyscalingreducestheoxidethicknessofon-chipcapacitors.forthedecapstobeimplementedinthewhitespace.Experimen-Thishasthebenefitofincreasingthecapacitanceperunitareaoftalresultsshowthatourdecapallocationandsizingmethodscandecaps.Unfortunately,
6、thinneroxidescansignificantlyincreasethesignificantlyreducedecapbudgetandleakagepowerwithasmallleakagecurrentofdecaps.Thisproblemisaddressedin[2]byper-increaseinareaandwirelengthwhenintegratedinto2Dand3Dformingwiresizingofthepower/groundnetworkafterdecapin-floorplanners.sertion
7、.Anotherpossiblesolutionfortheleakageistousethickeroxides.However,thatreducescapacitanceandincreasestheareaCategoriesandSubjectDescriptorsrequiredtoimplementthedecaps.UsingdualoxidethicknessesforB.7.2[DesignAid]:Integratedcircuitsdecapfabricationwasproposedin[3].Althoughdual
8、oxidethick-nessdecapsmayincreasemanufacturingcostsduetotheadditionalGeneral
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