Cadence 仿真流程.pdf
Cadence Poqi055 2002-7-10 1 2 ß´´»¹®±Í×ÐÝÞ 1CadenceSI AllegroPCB*.brd SpecctreQuest*.brd SigXplore SigXplore 2PowerPCBAleegro PowerPCbPCB ExportFile ExportASCII *.asc 1.1 1.1 PowerPCBASC 1.2 PowerPCB 3 1.11.2 ASCII Select All Expand AttributesPartsNetsFormatPowerPCB V3.0 Allegro 3Aleegro*.ascPCB ImportPADSPADS IN 1.33 1.3 i.asc ii.pads_in.ini iii. Run.brd pads_in.iniPsd_14.2 Tools PCB bin 4AllegroPCBAllegro ×Þ×ͼ³´ 1 AllegroAnalyze SI/EMI SIM Library Signal Analyze Library Browser Translatr -ibis2signois Select IBIS Source File2.1. 2.2 .dml 4 2.1 IBIS ibis2signoise in=E:_ED3082559.ibs out=82559.dmlibis2signoise DOS in=out= ibis2signoise E:_ED3082559.ibs IBISdml 2.2 IBIS To dml Error 2dml Signal Analyze Library Browser2.3,dml 2.3 Signal Analyze Library Browser Add Existing Library - 2.4 1.Local Lib: Psd_14.2 share pcb signal SignalPartLib 2.4 2. Local Library Path :Psd_14.2 share pcb signal SignalPartLibDEFAULT_LIB Dig_libabtalsalvcfttlPackagesalsX4ALS 74als162 3. Standard Cadence LibraryPsd_14.2 share pcb signalcds_models.ndx cds_partlib.ndx 3set working 5 1) AllegroAnalyze SI/EMI SIM Model Signal Model Assignmen3.1 3.1 3.1FindModel Browser3.2Model Name Pattern * 3.2 3.2 3.1U1U2Signal Name 2 3.1 3.1create model 3.2 Espicemodel ,Creat ESpick Device Model 6 3.3IBISdevice 3.3 value*.dat load Common LogicIdentify NetsIdentify DC Nets 4.1 VCCGNDVoltage 5VOV 4.1 ÐÝÞ AleegroSpecctraQuest 1Allegro ToolsSetaup AdviorDatBase Setup Advsor Next DatBase Setup Advsor Cross-SectionEdit Cross-Section 5.1Excel 2SpecctraQuest 3 4SigXplore 5.1 7 2SpecctraQuest SetupCross-Section5.1 SpecctraQuestSigxplore measurement cycle Clock frequency duty cycle offset fixed duration waveform resolution cutoff frequency FTS mode drive excitation (measurement mode) 1SpecctraQuest SpecctraQuestAnalyze SI/EMI SIM Prefences6.1 6.1 2SigXploreAnalyze Prefences6.1 8 Ю±¾» 1) SpecctraQuestLogic create list of nets,Creat List of Net7.1 Net List Name Net Filter* Available nets Selected Nets 2) Analyz SI/EMI Sim Probe signal analysisnet *,list of nets 7.1 net (7.2) 7.2 7.2Reportsanalysis report generator SSN, ReflectionCrossTalk create report 1AleegroSpecctraQuest 7.2View Toplogy 9 Yes NoSigXploer 8.1Yes Database Setup Advisor Cross-Setion Database Setup Advisor Identify DC Nets Database Setup Advisor Device Setup Database Setup Advisor SI Model Asingment Database Setup Advisor Si Audit Finish 8.1 SigXplore 1.18.1 8.1 1.1.1 Parameters 10 Set Parameter d1Constant8.2Value 8.2 8.3 1.1.2 Meeasurements ReflectionCrosstalkEMICustomICDie Results 8.4 Sigxploer 11 2)SigXploer 1.2.1 SigXploerAnalyzeLiberary2.3 1.2.2 1.2.2.1 EditAdd PartModel Browser 8.5MicroStrip_1 SigxploreMicroStrip_1(8.4) 8.5 1.2.2.2 8.5Model Type FilterIbisDeviceIBIS Browser8.6 8.6 IBIS PowerPC_8245_358.78245 12 8.7 8245C1 1.2.2.3 8.9 GenericElement 1.2.2.4 8.10 8.10 1.2.2.5 13 8.10 AnalyzeSimulate 10.1 8.10 11.1 SIM ID() diver() receiver() cycle() FTS MODE monotonic Noise Margin() overshoothigh() overshootlow() PropDelay() switch delay() settle delay 14 Sigxploresetconstraints Existing Rules update SQ SpecctrQuest
