集成電路分析中的模型降價方法研究.pdf

1、復旦大學博士學位論文集成電路分析中的模型降價方法研究姓名：楊帆申請學位級別：博士專業(yè)：微電子學與固體電子學指導教師：曾璇20080410AbstractAst11eICfabricationtechnologyadvances，interconnectdelaybecomesadominantfactorfordeterminingtheperformanceofthewholechipThefastevaluationtoolsfor

2、onchipinterconnectsbecomeanindispensablepartofcurrentVLSIEDAsoftwareHowever，theeverincreasingsignalfrequencyandcircuitcomplexitytogetherposegreatchallengestointerconnectmodelingandsimulationtechniquesModelorderreductionO

3、vlOR)teelmiqueshavebeenwellinvestigatedinthelastdecadetoacceleratethesimulationoflargescalelinearcircuitsandsystemsThemomentmatchingbasedmethodsarethestateofthearttechniquesforMORThereexisttwoimportantproblemsforthemomen

4、tmatchingbasedMORmethods，ie，pureRLCequivalentcircuitsynthesisproblemforthestructurepreservingMORmethods，andMORmethodsforinterconnectcircuitswithlargenumberofterminalsForthesetwoproblems，twoalgorithmshavebeenproposedinthi

5、sdissertationForthepureRLCequivalentcircuitsynthesisproblemforthestructurepreservingMORmethods，apureRLCequivalentcircuitsynthesismethodRLCSYNisproposedinthisdissertationToguaranteepureRLCequivalentcircuitsCallbesynthesiz

6、ed，boththestructuresofinputandoutputincidencematricesandtheblockstructureofthecircuitmatricesshouldbepreservedinthereducedordermodelsInthisRLCSYNmethod，anembeddableInput—OutputstructurePreservingOrderReduction(IOPOR)tech

7、niqueisproposedtopreservethestructuresofinputandoutputincidencematricesBycombiningblockstructurepreservingMORmethodsandIOPORtechnique，boththeblockstructureandthestructureoftheinput／outputmatrixCanbepreservedPureRLCequiva

8、lentcircuitcanbesynthesizedfromthisblockstructureandinputoutputstructurepreservedreducedordermodelInlinediagonalizationandregularizationtechniquesRrespecificallyproposedtoenhancetherobustnessofinductancesynthesisThepureR

9、LCmodel，highmodelingaccuracy，passivityguaranteedpropertyandSPICEsimulationrobustnessmakeRLCSYNmoreapplicableininterconnectanalysis，eitherfordigitalICdesignormixedsignalICsimulatjonFortheMORoftheinterconnectmethodsbasedon

10、input—dependentcircuitswitIllargenumberofterminals，theexistingmomentmatchingtechniqueeithersuffersfromnumericalproblemsinEKSandIEKS，orunbearablememoryconsumptionandCPUtimeinEXPLINandSAMSONInthisdissertation，aNonHomogenou