Intel 632xESB, 631xESB manual Thermal and Mechanical Design Guidelines, February

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Intel® 631xESB/632xESB I/O Controller Hub for Embedded Applications

Thermal and Mechanical Design Guidelines

February 2007

Order Number: 315263-001

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Contents February Thermal and Mechanical Design GuidelinesPage Contents Tables Revision HistoryDate Revision Description 001 Initial public releaseDesign Flow IntroductionThermal Design Process Reference Documents Definition of TermsDefinition of Terms Term DefinitionTitle Location Referenced DocumentsPackaging Technology Intel 6321ESB I/O Controller Hub Package Dimensions Top ViewIntel 6321ESB ICH-Packaging Technology Thermal Design Power TDP Thermal SpecificationsDie Case Temperature Intel 6321ESB I/O Controller Hub Thermal SpecificationsThermal Simulation Characterizing the Thermal Solution Requirement Thermal Solution RequirementsExample 1. Calculating the Required Thermal Performance Processor Thermal Characterization Parameter RelationshipsDevice CA º C/W at T LA = 45º C CA º C/W at T LA = 65º C Required Heat Sink Thermal Performance ΨCAHub @ 12.4 W Thermal Metrology Die Case Temperature MeasurementsZero Degree Angle Attach Methodology Thermal Solution Decision Flowchart Thermocouple Wire Die Substrate Cement + Thermocouple Bead Operating Environment Reference Thermal SolutionHeatsink Performance Mechanical Design Envelope Board-Level Components Keepout Dimensions Torsional Clip Heatsink Thermal Solution Assembly Torsional Clip Heatsink Board Component Keepout Heatsink OrientationThermal Interface Material Mechanical Interface MaterialClip Retention Anchors Heatsink ClipThermal Resistance C × in 2/W Pressure on IHSpsi End of Line End of Life§ § Reliability GuidelinesReliability Guidelines Test Requirement Pass/Fail CriteriaTorsional Clip Heatsink Thermal Solution Appendix a Thermal Solution Component SuppliersMechanical Drawing List Appendix B Mechanical DrawingsDrawing Description Torsional Clip Heatsink Assembly Drawing Torsional Clip Heatsink Drawing Heat Sink Foam Gasket Drawing Torsional Clip Drawing