CYIV-53001-1.7©2013AlteraCorporation.Allrightsreserved.ALTERA,ARRIA,CYCLONE,HARDCOPY,MAX,MEGACORE,NIOS,QUARTUSandSTRATIXwordsandlogosaretrademarksofAlteraCorporationandregisteredintheU.S.PatentandTrademarkOfficeandinothercountries.Allotherwordsandlogosidentifiedastrademarksorservicemarksarethepropertyoftheirrespectiveholdersasdescribedat:2008Registered1.CycloneIVDeviceDatasheetThischapterdescribestheelectricalandswitchingcharacteristicsforCycloneIVdevices.Electricalcharacteristicsincludeoperatingconditionsandpowerconsumption.Switchingcharacteristicsincludetransceiverspecifications,core,andperipheryperformance.ThischapteralsodescribesI/Otiming,includingprogrammableI/Oelement(IOE)delayandprogrammableoutputbufferdelay.Thischapterincludesthefollowingsections:■“OperatingConditions”onpage1–1■“PowerConsumption”onpage1–16■“SwitchingCharacteristics”onpage1–16■“I/OTiming”onpage1–37■“Glossary”onpage1–37OperatingConditionsWhenCycloneIVdevicesareimplementedinasystem,theyareratedaccordingtoasetofdefinedparameters.TomaintainthehighestpossibleperformanceandreliabilityofCycloneIVdevices,youmustconsidertheoperatingrequirementsdescribedinthischapter.CycloneIVdevicesareofferedincommercial,industrial,extendedindustrialand,automotivegrades.CycloneIVEdevicesoffer–6(fastest),–7,–8,–8L,and–9Lspeedgradesforcommercialdevices,–8Lspeedgradesforindustrialdevices,and–7speedgradeforextendedindustrialandautomotivedevices.CycloneIVGXdevicesoffer–6(fastest),–7,and–8speedgradesforcommercialdevicesand–7speedgradeforindustrialdevices.fFormoreinformationaboutthesupportedspeedgradesforrespectiveCycloneIVdevices,refertotheCycloneIVFPGADeviceFamilyOverviewchapter.1CycloneIVEdevicesareofferedincorevoltagesof1.0and1.2V.CycloneIVEdeviceswithacorevoltageof1.0Vhavean‘L’prefixattachedtothespeedgrade.Inthischapter,aprefixassociatedwiththeoperatingtemperaturerangeisattachedtothespeedgrades;commercialwitha“C”prefix,industrialwithan“I”prefix,andautomotivewithan“A”prefix.Therefore,commercialdevicesareindicatedasC6,C7,C8,C8L,orC9Lperrespectivespeedgrade.IndustrialdevicesareindicatedasI7,I8,orI8L.AutomotivedevicesareindicatedasA7.May2013CYIV-53001-1.71–2Chapter1:CycloneIVDeviceDatasheetOperatingConditionsCycloneIVDeviceHandbook,May2013AlteraCorporationVolume31CycloneIVEindustrialdevicesI7areofferedwithextendedoperatingtemperaturerange.AbsoluteMaximumRatingsAbsolutemaximumratingsdefinethemaximumoperatingconditionsforCycloneIVdevices.Thevaluesarebasedonexperimentsconductedwiththedeviceandtheoreticalmodelingofbreakdownanddamagemechanisms.Thefunctionaloperationofthedeviceisnotimpliedattheseconditions.Table1–1liststheabsolutemaximumratingsforCycloneIVdevices.cConditionsbeyondthoselistedinTable1–1causepermanentdamagetothedevice.Additionally,deviceoperationattheabsolutemaximumratingsforextendedperiodsoftimehaveadverseeffectsonthedevice.MaximumAllowedOvershootorUndershootVoltageDuringtransitions,inputsignalsmayovershoottothevoltageshowninTable1–2andundershootto–2.0Vforamagnitudeofcurrentslessthan100mAandforperiodsshorterthan20ns.Table1–2liststhemaximumallowedinputovershootvoltageandthedurationoftheovershootvoltageasapercentageoverthelifetimeofthedevice.Themaximumallowedovershootdurationisspecifiedasapercentageofhigh-timeoverthelifetimeofthedevice.Table1–1.AbsoluteMaximumRatingsforCycloneIVDevices(1)SymbolParameterMinMaxUnitVCCINTCorevoltage,PCIExpress(PCIe)hardIPblock,andtransceiverphysicalcodingsublayer(PCS)powersupply–0.51.8VVCCAPhase-lockedloop(PLL)analogpowersupply–0.53.75VVCCD_PLLPLLdigitalpowersupply–0.54.5VVCCIOI/Obankspowersupply–0.53.75VVCC_CLKINDifferentialclockinputpinspowersupply–0.54.5VVCCH_GXBTransceiveroutputbufferpowersupply–0.53.75VVCCA_GXBTransceiverphysicalmediumattachment(PMA)andauxiliarypowersupply–0.53.75VVCCL_GXBTransceiverPMAandauxiliarypowersupply–0.51.8VVIDCinputvoltage–0.54.2VIOUTDCoutputcurrent,perpin–2540mATSTGStoragetemperature–65150°CTJOperatingjunctiontemperature–40125°CNotetoTable1–1:(1)Supplyvoltagespecificationsapplytovoltagereadingstakenatthedevicepinswithrespecttoground,notatthepowersupply.Chapter1:CycloneIVDeviceDatasheet1–3OperatingConditionsMay2013AlteraCorporationCycloneIVDeviceHandbook,Volume31ADCsignalisequivalentto100%dutycycle.Forexample,asignalthatovershootsto4.3Vcanonlybeat4.3Vfor65%overthelifetimeofthedevice;foradevicelifetimeof10years,thisamountsto65/10thsofayear.Figure1–1showsthemethodologytodeterminetheovershootduration.Th