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SFFCommitteedocumentationmaybepurchasedinhardcopyorelectronicform.SFFspecificationsareavailableatftp://ftp.seagate.com/sffSFFCommitteeSFF-8087SpecificationforMiniMultilaneSeries:UnshieldedRev2.1September7,2006Secretariat:SFFCommitteeAbstract:ThisspecificationdefinesthephysicalinterfaceandgeneralperformancerequirementsfortheUnshieldedMiniMultilaneconnectorthatisdesignedforuseinhighspeedserialinterconnectapplicationsatspeedsupto10Gigabits/second.OnesuchuseisastheSerialAttachedSCSIMiniSAS4i(widecompactinternalconnector).Thisspecificationprovidesacommonreferenceforsystemsmanufacturers,systemintegrators,andsuppliers.ThisisaninternalworkingspecificationoftheSFFCommittee,anindustryadhocgroup.Thisspecificationismadeavailableforpublicreview,andwrittencommentsaresolicitedfromreaders.Commentsreceivedbythememberswillbeconsideredforinclusioninfuturerevisionsofthisdocument.Thedescriptionofaconnectorinthisspecificationdoesnotassurethatthespecificcomponentisactuallyavailablefromconnectorsuppliers.Ifsuchaconnectorissupplieditmustcomplywiththisspecificationtoachieveinteroperabilitybetweensuppliers.Support:ThisspecificationissupportedbytheidentifiedmembercompaniesoftheSFFCommittee.POINTSOFCONTACT:JayNeerI.DalAllanMolexChairmanSFFCommittee2222WellingtonCourt14426BlackWalnutCourtLisle,Il60532Saratoga,CA95070561-447-2907x3889408-867-6630jay.neer@molex.comendlcom@acm.orgEXPRESSIONOFSUPPORTBYMANUFACTURERSThefollowingmembercompaniesoftheSFFCommitteevotedinfavorofthisindustryspecification.AdaptecBroadcomComaxDellEMCENDLFoxconnFujitsuCPAHewlettPackardHitachiCableHitachiGSTIBMIntelLSILogicMolexSeagateSunMicrosystemsToshibaAmericaUnisysThefollowingmembercompaniesoftheSFFCommitteevotedagainstthisindustryspecification.AmphenolFCITycoAMPThefollowingmembercompaniesoftheSFFCommitteevotedtoabstainonthisindustryspecification.ComaxEMCEmulexHitachiGSTInfineonMaxtorVitesseSemiTheuser'sattentioniscalledtothepossibilitythatimplementationtothisSpecificationmayrequireuseofaninventioncoveredbypatentrights.BydistributionofthisSpecification,nopositionistakenwithrespecttothevalidityofthisclaimorofanypatentrightsinconnectiontherewith.MembersoftheSFFCommitteethatadvisethatapatentexistsarerequiredtoprovideastatementofwillingnesstograntalicenseundertheserightsonreasonableandnon-discriminatorytermsandconditionstoapplicantsdesiringtoobtainsuchalicense.ForewordThedevelopmentworkonthisspecificationwasdonebytheSFFCommittee,anindustrygroup.ThemembershipofthecommitteesinceitsformationinAugust1990hasincludedamixofcompanies,whichareleadersacrosstheindustry.When21/2"diameterdiskdriveswereintroduced,therewasnocommonalityonexternaldimensionse.g.physicalsize,mountinglocations,connectortype,connectorlocation,betweenvendors.Thefirstuseofthesediskdriveswasinspecificapplicationssuchaslaptopportablecomputersandsystemintegratorsworkedindividuallywithvendorstodevelopthepackaging.Theresultwaswidediversity,andincompatibility.Theproblemsfacedbyintegrators,devicesuppliers,andcomponentsuppliersledtotheformationoftheSFFCommitteeasanindustryadhocgrouptoaddressthemarketingandengineeringconsiderationsoftheemergingnewtechnology.Duringthedevelopmentoftheformfactordefinitions,otheractivitiesweresuggestedbecauseparticipantsintheSFFCommitteefacedmoreproblemsthanthephysicalformfactorsofdiskdrives.InNovember1992,thecharterwasexpandedtoaddressanyissuesofgeneralinterestandconcerntothestorageindustry.TheSFFCommitteebecameaforumforresolvingindustryissuesthatareeithernotaddressedbythestandardsprocessorneedanimmediatesolution.Thosecompanies,whichhaveagreedtosupportaspecification,areidentifiedinthefirstpagesofeachSFFSpecification.IndustryconsensusisnotanessentialrequirementtopublishanSFFSpecificationbecauseitisrecognizedthatinanemergingproductarea,thereisroomformorethanoneapproach.Bymakingthedocumentationoncompetingproposalsavailable,anintegratorcanexaminethealternativesavailableandselecttheproductthatisfelttobemostsuitable.SFFCommitteemeetingsareheldduringT10weeks(seewww.t10.org),andSpecificSubjectWorkingGroupsareheldattheconvenienceoftheparticipants.MaterialpresentedatSFFCommitteemeetingsbecomespublicdomain,andtherearenorestrictionsontheopenmailingofmaterialpresentedatcommitteemeetings.MostofthespecificationsdevelopedbytheSFFCommitteehaveeitherbeenincorporatedintostandardsoradoptedasstandardsbyEIA(ElectronicIndustriesAssociation),ANSI(AmericanNationalStandardsInstitute)andIEC(InternationalElectrotechnicalCommission).IfyouareinterestedinparticipatingorwishtofollowtheactivitiesoftheSFFCommittee,thesignupformembershipand/ordocumentationcanbefoundat:www.sffcommittee.com/ie/join.htmlThecompletelistofSFFSpecifications,whichhavebeencompletedorarecurrentlybeingworkedonbytheSFFCommitteecanbefoundat:ftp://ftp.seagate.com/sff/SFF-8000.TXTIfyouwishtoknowmoreabouttheSFFCommittee,theprincipleswhichguidetheactivitiescanbefoundat:ftp://ftp.seagate.com/sff/SFF-8032.TXTSuggestionsforimprovementofthisspecificationwillbewelcome.TheyshouldbesenttotheSFFCommittee,14426BlackWalnutCt,Saratoga,CA95070.SFFCommittee--MiniMultilaneSeries:Unshielded1.ScopeThisspecificationdefinestheplug,guide/strainreliefshell,andlatchingrequirementsfortheMiniMultilaneUnshieldedConnectorbasedupontheprimaryelementsdefinedinSFF-8086.1.1DescriptionofClausesClause1containstheScopeandPurposeClause2containsReferencedandRelatedStandardsandSFFSpecificationsClause3containstheGeneralDescriptionClause4containstheDefinitionsandConventionsClause5definestheConnectorDescriptionsClause6definestheConnectorDimensions2.ReferencesTheSFFCommitteeactivitiessupporttherequirementsofthestorageindustry,anditisinvolvedwithseveralstandards.2.1IndustryDocumentsThefollowinginterfacestandardsandspecificationsarerelevanttothisSpecification.-T10/1601DSAS1-1(SerialAttachedSCSI-1.1)-SFF-8410HighSpeedSerialTestingforCopperLinks-SFF-8086MiniMultilaneSeries:CommonElements2.2SFFSpecificationsThereareseveralprojectsactivewithintheSFFCommittee.Thecompletelistofspecificationswhichhavebeencompletedorarestillbeingworkedonarelistedinthespecificationatftp://ftp.seagate.com/sff/SFF-8000.TXT2.3SourcesThosewhojointheSFFCommitteeasanObserverorMemberreceiveelectroniccopiesoftheminutesandSFFspecifications().CopiesofANSIstandardsmaybepurchasedfromtheInterNationalCommitteeforInformationTechnologyStandards().CopiesofSFF,ASCT10(SCSI),T11(FibreChannel)andT13(ATA/SATA)standardsandstandardsstillindevelopmentareavailableontheHPEversionofCD_Access().TABLEOFCONTENTS1.Scope(4)1.1DescriptionofClauses(4)2.References(4)2.1IndustryDocuments(4)2.2SFFSpecifications(4)2.3Sources(4)3.GeneralDescription(6)4.DefinitionsandConventions(6)4.1Definitions(6)4.2Conventions(6)5.ConnectorDescription(7)5.1PerformanceRequirements(7)5.2GeneralView(7)5.3Configurations(7)6.ConnectorDimensions(7)6.1Free(Plug)CableConnector(8)6.2Fixed(Receptacle)RightAngleConnector(10)6.3Keying(Optional)(16)FIGURESFigure5-1GeneralView(7)Figure6-1Free(Plug)CableConnector(9)Figure6-2Fixed(Receptacle)RightAngleShell(11)Figure6-3Fixed(Receptacle)RIghtAngleConnectorWithShell(11)Figure6-4Fixed(Receptacle)RIghtAngleShellFootprint(12)Figure6-5Fixed(Receptacle)StraightShell(13)Figure6-6Fixed(Receptacle)StraightConnectorWithShell(14)Figure6-7Fixed(Receptacle)StraightShellFootprint(15)Figure6-8Keying(Optional)(17)TABLESTable5-1Configurations(7)Table6-1Free(Plug)CableConnector(8)Table6-2Fixed(Receptacle)RightAngleShell(10)Table6-3Fixed(Receptacle)RightAngleConnectorwithShell(11)Table6-4Fixed(Receptacle)RightAngleShellFootprint(12)Table6-5Fixed(Receptacle)StraightShell(13)Table6-6Fixed(Receptacle)StraightConnectorWithShell(14)Table6-7Fixed(Receptacle)StraightShellFootprint(15)Table6-8Keying(Optional)(16)Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.13.GeneralDescriptionThisspecificationdefinesthefree(plug)cableconnector,guide/strainrelief,andlatchingrequirementsfortheUnshieldedMiniMultilaneconnector.ThisspecificationplusthematinginterfaceandconnectorfootprintdefinedinSFF-8086definestherequirementstoenablefunctionalmultiplesourcing.Thefixed(receptacle)connectorprovidespositiveretentionalongwitheaseofinsertionandremoval.Theguide/strainreliefisincorporatedintheshellandworkstogetherwiththefree(plug)cableconnectorandlatchingmechanismtoensurethatstressinducedbynormalcableroutingandmanagementisnotpassedthroughtothesolderjointsthatattachthereceptaclebodytotheprintedcircuitboard.Thelatchisdesignedtopreventthefree(plug)cableconnectorfrombottoming,andahardstophasbeendefinedtopreventbottomingoutshouldthefree(plug)cableconnectorbeoutofspec.Thisspecificationdefinesthecontactrangethattheretentionschemehastoprovidetoassureacceptableconnectorperformance.Thelowprofileandsmallsizeiswellsuitedtohigh-speedtransmissionapplicationswherespaceislimited.4.DefinitionsandConventions4.1DefinitionsForthepurposeofthisspecification,thedefinitionsinSFF-8086apply.4.2ConventionsTheAmericanconventionofnumberingisusedi.e.,acommaseparatesthethousandsandhighermultiplesandaperiodisusedasthedecimalpoint.ThisisequivalenttotheISOconventionofaspaceandcomma.American:0.61,0001,323,462.9ISO:0,610001323462,9MiniMultilaneSeries:UnshieldedPage6Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.15.ConnectorDescription5.1PerformanceRequirementsTheperformancerequirementsofthisconnectoraredefinedinSFF-8086MiniMultilaneSeries:CommonElements.Forthefree(plug)cableconnector,thelatchretentionforceshallbe10lbfminimum.5.2GeneralViewTheconnectorsystemisbaseduponacommonfootprintforthereceivingbody.Thefootprintpositioningholescontainthecriticaldimensionsforlocatingthereceptacleshell.Thereceptacleshellalsofunctionsastheguideandstrainreliefforthefree(plug)cableconnectorinterface.Figure5-1illustratesanexampleofonesuchconfiguration.FIGURE5-15.3ConfigurationsGENERALVIEWFigure5-1liststheconfigurationsdescribedinthisspecification.TABLE5-1CONFIGURATIONSDescriptionUnshieldedMiniMultilaneUnshieldedMiniMultilaneUnshieldedMiniMultilaneUnshieldedMiniMultilaneRightAngleYYYYStraightYYYY26-circuit36-circuit50-circuit68-circuitConnectorConnectorConnectorConnectorNote:The36-circuitUnshieldedMiniMultilaneConnectorisdefinedinSASasthe”MiniSAS4i”connector.6.ConnectorDimensionsThedimensioningconventionsaredescribedinANSI-Y14.5M,DimensioningandTolerancing.Alldimensionsareinmillimeters.MiniMultilaneSeries:UnshieldedPage7Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1Dimensionrelatedrequirementsfortheconnectorsystemaddressedinthisdocumentarespecifiedinthetablesandfiguresinthisclause.6.1Free(Plug)CableConnectorTABLE6-1FREE(PLUG)CABLECONNECTORDesignatorDescriptionC01InterfaceWidthC03PaddleCardThicknessD01PlugLowerShroudWidthD02LatchTabHeight(WhenFree)D02LatchTabHeight(WhenTabisPressed)D03LatchBodyWidthD04PlugKeySurfaceD05PlugClearancetoConnectorD06PlugLeadintoConnectorD07PlugShroudLengthD08PlugDatumBtoLatchTabD09LatchTabThicknessD10Anti-RotationRibWidthD11PlugDatumBtoShroudStartD12PlugShroudLengthD13PlugDatumAtoPlugStopD14PlugTopSurfacetoLatchD15PlugStopWidthD16PlugBodyThicknessD17PlugBodyWidthD19PlugDatumDtoLatchTabD20LatchTabWidthD21PlugLengthD22PlugFaceD23PlugStopHeightD24PlugLeadinAngleD25DatumBtoEdgeofPaddleCardD26DatumAtoShroudLead-inD27DatumAtoTopofPlugD28LowerShroudWidthD29DatumBtoEndofAnti-RotationRibD30RadiusAnti-RotationRibLead-in(ChamferorD31Radius)2611.601.0010.335.455.159.001.004.004.886.831.800.201.0010.131.832.253.903.756.9513.203.301.1328.009.760.6020°16.501.932.981.501.501.000.253615.60=14.33================17.20===13.76=========5021.20=19.93================22.80===19.36=========68Tolerance28.40±0.10=±0.1027.13±0.13=Minimum=Maximum=±0.13=±0.05=±0.10=±0.15=±0.10=±0.10=±0.05=±0.05=±0.13=±0.13=Minimum=Maximum=Minimum=±0.1030.00±0.10=±0.10=±0.10=Minimum26.56±0.13=Minimum=±1°=Basic=±0.10=±0.05=±0.10=±0.05=±0.25=±0.05MiniMultilaneSeries:UnshieldedPage8Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1FIGURE6-1FREE(PLUG)CABLECONNECTORMiniMultilaneSeries:UnshieldedPage9Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.16.2Fixed(Receptacle)RightAngleConnectorTABLE6-2FIXED(RECEPTACLE)RIGHTANGLESHELLDesignatorDescription26365068ToleranceE01DatumCtoPeg3.50===BasicE02DatumCtoPeg5.50===BasicE03DatumCtoPlugStop8.25===BasicE04DatumCtoBackofShell1.75===±0.13E05DatumAtoSlot2.97===±0.03E06SlotWidth1.10===±0.03E07DatumCtoPassiveLatch5.76===±0.13E08TopofShelltoPassiveLatch1.89===±0.13E09SlotDepth1.58===BasicE10DatumAtoShellInside8.22===±0.10E11TabLength0.95===±0.13E12DatumCtoLatchSlot6.00===BasicE13LatchSlotWidth0.75===±0.05E14ShellCLtoLatchSlotCL2.74===BasicE15LatchSlotLength2.13===±0.05E16PassiveLatchWidth9.60===±0.13E17WidthbetweenKeys9.50===±0.10E18WidthofShell13.5517.5523.1530.35±0.10E19DatumCtoPeg6.50===BasicE20TabWidth1.28===±0.13MiniMultilaneSeries:UnshieldedPage10Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1FIGURE6-2FIXED(RECEPTACLE)RIGHTANGLESHELLTABLE6-3FIXED(RECEPTACLE)RIGHTANGLECONNECTORWITHSHELLDesignatorDescriptionA08OAHConnectorHousingF01OverallHeightofShellF02ShellPlugStoptoConnectorF05ConnectortoEdgeofPCBF06ShelltoEdgeofPCB265.358.4711.0725.402.8336=====50=====68=====Tolerance±0.13±0.13±0.10±0.13±0.13FIGURE6-3FIXED(RECEPTACLE)RIGHTANGLECONNECTORWITHSHELLMiniMultilaneSeries:UnshieldedPage11Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1TABLE6-4FIXED(RECEPTACLE)RIGHTANGLESHELLFOOTPRINTDesignatorDescriptionA10PegtoPegB03HoleDiameterB04PegCLtoEdgeofPCBG01ShellHoletoHoleG02HoleDiameterG03DatumBtoShellHoleG04DatumBtoShellHoleG05DatumBtoShellHoleG06DatumBtoShellHoleG07DatumBtoShellKeepOutG09ShellKeepOut26365068Tolerance12.0016.0021.6028.80Basic1.55===±0.0516.80===±0.1313.8017.8023.4030.60Basic0.80===±0.055.72===Basic9.22===Basic12.22===Basic11.22===Basic3.40===±0.1315.8019.8025.4032.60±0.13FIGURE6-4FIXED(RECEPTACLE)RIGHTANGLESHELLFOOTPRINTMiniMultilaneSeries:UnshieldedPage12Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1TABLE6-5FIXED(RECEPTACLE)STRAIGHTSHELLDesignatorDescriptionE05InsideofShelltoSlotE06SlotWidthE08TopofShelltoPassiveLatchE09SlotDepthE13LatchSlotWidthE14ShellCLtoLatchSlotCLE15LatchSlotLengthE16PassiveLatchWidthE17WidthBetweenKeysE18WidthofShellE20TabWidthK01InsideShellK02ShellHeightK03DatumCtoPegK04DatumCtoPegK05DatumCtoPegK06DatumCtoPegK07DatumAtoLatchSlotK08PlugStoptoPassiveLatchK09DatumCtoPeg26365068Tolerance2.97===±0.031.10===±0.031.89===±0.131.58===Basic0.75===±0.052.74===Basic2.13===±0.059.60===±0.139.50===±0.1013.5517.5523.1530.35±0.101.28===±0.138.22===±0.2520.18===±0.0510.27===Basic6.03===Basic2.03===Basic0.52===Basic17.93===Basic14.01===±0.139.27===BasicFIGURE6-5FIXED(RECEPTACLE)STRAIGHTSHELLMiniMultilaneSeries:UnshieldedPage13Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1TABLE6-6FIXED(RECEPTACLE)STRAIGHTCONNECTORWITHSHELLDesignatorDescriptionK02ShellHeight2620.1836=50=68=Tolerance±0.05FIGURE6-6FIXED(RECEPTACLE)STRAIGHTCONNECTORWITHSHELLMiniMultilaneSeries:UnshieldedPage14Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1TABLE6-7FIXED(RECEPTACLE)STRAIGHTSHELLFOOTPRINTDesignatorDescriptionA10PegtoPegB03HoleDiameterG01ShellHoletoHoleG02HoleDiameterK03DatumCtoShellHoleK04DatumCtoShellHoleK05DatumCtoShellHoleK09DatumCtoShellHoleM01DatumBtoDatumCM02ConnectorKeepOutM03ConnectorKeepOutM04DatumBtoConnectorKeepOut26365068Tolerance12.0016.0021.6028.80Basic1.55===±0.0513.8017.8023.4030.60Basic0.80===±0.0510.27===Basic6.03===Basic2.03===Basic9.27===Basic4.03===±0.1312.77===±0.1315.8019.8025.4032.60±0.135.28===±0.13FIGURE6-7FIXED(RECEPTACLE)STRAIGHTSHELLFOOTPRINTMiniMultilaneSeries:UnshieldedPage15Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.16.3Keying(Optional)TABLE6-8KEYING(OPTIONAL)DesignatorDescriptionN01ShellCLtoEdgeofKeyN02KeyWidthN03PlugCLtoEdgeofKeyN04PlugKeyWidthN05ShellSlottoKeyN06KeyThicknessN07LatchtoKey264.751.285.501.002.251.003.4536=======50=======68=======Tolerance±0.10Minimum±0.10Minimum±0.13Minimum±0.13MiniMultilaneSeries:UnshieldedPage16Development***THISISNOTAFINALDRAFT***SFF-8087Rev2.1FIGURE6-8KEYING(OPTIONAL)MiniMultilaneSeries:UnshieldedPage17