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Orcad10.0 更新的一些功能
录入：edatop.com 点击：
Thermalprioritizationenhancements
InearlierversionsofLayout,Layoutstoppedatthefirstvia
thatthermalsanddidnottrytothermalotherviasinthesameconnection.Ifyouhaveplanesthathavebeensplitintomultipleisolatedpolygons,thisbehaviormadeitdifficulttotietogetherplaneregionsusingviasandtracesonroutinglayers.Layout10.0attemptstothermaleveryviaintheconnectionandnolongerstopsatthefirstsuccessfulthermal.
Whereno”Preferred”or”Forced”thermalpinexistedonaconnection,earlierversionsofLayoutwouldrandomlychoose
apinfromtheconnectiontothermalintotheplane.TherandomizationwasdesignedtodistributethermalsoverthewidestpossibleareaoftheplanebutanychangetoyourMAXdatabase
couldchangetherandomizationresults.
Layout10.0still
distributessuchpinthermalsoverthewidestpossibleplaneareabutusesapriorityschedulingalgorithmwhichwillnotchangeapin'splanethermalizationunlessthepinisphysicallymovedtoanewlocation.
InearlierversionsofLayout,Layoutstoppedatthefirstvia
thatthermalsanddidnottrytothermalotherviasinthesameconnection.Ifyouhaveplanesthathavebeensplitintomultipleisolatedpolygons,thisbehaviormadeitdifficulttotietogetherplaneregionsusingviasandtracesonroutinglayers.Layout10.0attemptstothermaleveryviaintheconnectionandnolongerstopsatthefirstsuccessfulthermal.
Whereno”Preferred”or”Forced”thermalpinexistedonaconnection,earlierversionsofLayoutwouldrandomlychoose
apinfromtheconnectiontothermalintotheplane.TherandomizationwasdesignedtodistributethermalsoverthewidestpossibleareaoftheplanebutanychangetoyourMAXdatabase
couldchangetherandomizationresults.
Layout10.0still
distributessuchpinthermalsoverthewidestpossibleplaneareabutusesapriorityschedulingalgorithmwhichwillnotchangeapin'splanethermalizationunlessthepinisphysicallymovedtoanewlocation.
现在都用15.7版本了
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