标签: recommendations

bq76PL455A-Q1DesignRecommendations

AND90006-D_ONSEMI_RecommendationsforReliableSwitchingPerformanceusing40Vand80VAutomotivePowerModulesUsingShielded-GateMOSFETs.PDF

【应用笔记】AN592:CycloneIV设计指南(AN592:CycloneIVDesignGuidelines)本应用笔记提供了，在使用CycloneIV器件的设计中，一套易用的指南和一系列需要考虑因素。Thisapplicationnoteprovidesaneasy-to-usesetofguidelinesandalistoffactorstoconsiderinCyclone®IVdesigns.Alterarecommendsfollowingtheguidelineslistedinthisapplicationnotethroughoutthedesignprocess.Altera®CycloneIVdevicesofferarichcombinationoflogic,memory,anddigitalsignalprocessing(DSP)withthelowestpower.CycloneIVdevicesareideallysuitedforcost-sensitive,high-volumeapplications,includingdisplays,wirelessinfrastructureequipment,industrialEthernet,broadcastconverters,andchip-to-chipbridging.PlanningtheFPGAandsystemearlyinthedesignprocessiscrucialtoyoursuccess.AN592:CycloneIVDesignGuidelinesMarch2012AN-592-1.2Thisapplicationnoteprovidesaneasy-to-usesetofguidelinesandalistoffactorstoconsiderinCycloneIVdesigns.Alterarecommendsfollowingtheguidelineslistedinthisapplicationnotethroughoutthedesignprocess.AlteraCycloneIVdevicesofferarichcombinationoflogic,memory,anddigitalsignalprocessing(DSP)withthelowestpower.CycloneIVdevicesareideallysuitedforcost-sensitive,high-volumeappl……

【应用笔记】ArriaII器件设计指南(DesignGuidelinesforArriaIIDevices)本应用笔记提供了一套易用的指南和在使用ArriaII器件的设计中的一系列需要考虑因素。Thisapplicationnoteprovidesaneasy-to-usesetofguidelinesandalistoffactorstoconsiderinArria?IIdesigns.ItisimportanttofollowAlterarecommendationsthroughoutthedesignprocess.Altera?ArriaIIFPGAsaredesignedforease-of-use,lowcost,andlowpower,whilesupportingcommoninterfaceswithstreamlinedtransceiversandI/Os.PlanningtheFPGAandsystemearlyinthedesignprocessiscrucialtoyoursuccess.DesignGuidelinesforArriaIIDevicesAN-563-2.0ApplicationNoteThisapplicationnoteprovidesaneasy-to-usesetofguidelinesandalistoffactorstoconsiderinArriaIIdesigns.ItisimportanttofollowAlterarecommendationsthroughoutthedesignprocess.AlteraArriaIIFPGAsaredesignedforease-of-use,lowcost,andlowpower,whilesupportingcommoninterfaceswithstreamlinedtransceiversandI/Os.PlanningtheFPG……

高速电路High-speedUSBPCBLayoutRecommendationsHigh-speedUSBPCBLayoutRecommendationsIntroductionHigh-speedUSBoperatesat480Mbpswith400-mVsignaling.Forbackwardscompatibility,devicesthatarehigh-speedcapablemustalsobeabletocommunicatewithexistingfullspeedUSBproductsat12Mbpswith3.3Vsignaling.HighspeedUSBhubsarealsorequiredtotalktolow-speedproductsat1.5Mbps.Designingprintedcircuitboards(PCBs)thatmeettheserequirementscanbechallenging.High-speedUSBisdefinedintheUniversalSerialBusSpecificationRevision2.0,locatedathttp://www.usb.org.TheorganizationthatoverseesthespecificationistheUSBImplementersForum.TheUSB-IFrequiresthatalldevicesreceivetestingtoshowcompliancetothespecificationandtoensureinteroperabilitywithotherdevices.Cypressrecom……

SKYWORKS_DCRLayoutRecommendationsLayoutRecommendationsLayerstack-up(assumea6layerboard)Layer1-RFtracesandComponentsLayer2-GNDLayer3-SignalLayer4-SignalLayer5-GNDLayer6-RFtraces(andcomponentsifneeded)Ifitisdifficulttohaveacompletegroundlayer,itisrecommendedthatgoodsolidgroundplanebemaintainedunderCX74017andRFtraces.LayerthicknessItisrecommendedthatthelayerunderthecomponentlayersbeground.Forinstance,ifbothlayer1andlayer6areusedtoplacecomponents,thenbothlayers2and5shouldbemostlyground.However,ifultra-thindielectriclayersareused,itispreferredtohavethecoppercutoutundertheRFtracesandusetheGNDonthelayerbelow,becausewiththindielectriclayers,theDCresistance……

High-speedUSBPCBLayoutRecommendationsHigh-speedUSBPCBLayoutRecommendationsIntroductionHigh-speedUSBoperatesat480Mbpswith400-mVsignaling.Forbackwardscompatibility,devicesthatarehigh-speedcapablemustalsobeabletocommunicatewithexistingfullspeedUSBproductsat12Mbpswith3.3Vsignaling.HighspeedUSBhubsarealsorequiredtotalktolow-speedproductsat1.5Mbps.Designingprintedcircuitboards(PCBs)thatmeettheserequirementscanbechallenging.High-speedUSBisdefinedintheUniversalSerialBusSpecificationRevision2.0,locatedathttp://www.usb.org.TheorganizationthatoverseesthespecificationistheUSBImplementersForum.TheUSB-IFrequiresthatalldevicesreceivetestingtoshowcompliancetothespecificationandtoensureinteroperabilitywithotherdevices.Cypressrecom……