QFN/SON PCB Attachment - TI.com
ApplicationReportSLUA271A June2002 RevisedSeptember2007QFN/SONPCBAttachment SteveKummerl,BernhardLange, (QFNs)andsmall-outlinenoleads(SONs)arele adlesspackageswithelectricalconnectionsm adevialandsonthebottomsideofthecomponent tothesurfaceoftheconnectingsubstrate(PCB ,ceramic).Thisapplicationreportpresentsu serswithintroductoryinformationaboutatta chingQFN/SONdevicestoprintedcircuitboard s(PCBs). (PCB) (HotGasConvectionandManual)............. ......................... (MSL).................43 June2002 RevisedSeptember2007 June2002 STRUCTURE AND STITCH BONDSTexasInstrumentsQuadFlatpackNoLeads andSmall-OutlineNoLeadsQuadflatnoleads(Q FNs)andsmall-outlinenoleads(SONs) ,numberofterminations, [printedcircuitboards(PCB),ceramic].
www.ti.com 3 Printed Circuit Board (PCB) Design Guidelines 3.1 Land Pad Styles 3.2 Land Pad Design S 6 5 9 DETAIL B D L (NE-1)x e DETAIL 1 6 5 3 Terminal Tip
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