® Intel IXP43X Product Line of Network Processors

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All rights reserved. ® Intel IXP43X Product Line of Network Processors AN 2 January 2008 Order Number: 316846; Revision: 003US ® Thermal Design Application Note-Intel IXP43X Product Line of Network Processors Contents 1.0 2.0 3.0 4.0 5.0 6.0 A Introduction ..............................................................................................................5 1.1 About This Document...........................................................................................5 1.1.1 Intended Audience ...................................................................................5 1.1.2 Acronyms and Terminology........................................................................5 1.1.3 Reference Documents and Information Sources............................................6 1.2 Product Package Thermal Specification...................................................................6 1.3 Thermal Conditions..............................................................................................7 1.4 Thermal Considerations........................................................................................7 1.5 Importance of Thermal Management......................................................................8 Thermal Specifications ..............................................................................................9 2.1 Case Temperature...............................................................................................9 2.2 Designing for Thermal Performance .......................................................................9 Thermal Attributes .................................................................................................. 11 3.1 Key Notes to Remember..................................................................................... 11 ® 3.2 Intel IXP43X Product Line Package Mechanical Attributes...................................... 11 ® 3.3 Intel IXP43X Product Line Thermal Attributes...................................................... 12 3.3.1 Thermal Characteristics at 667/533 MHz.................................................... 12 3.3.2 Thermal Characteristics for Extended Temperature at 667/533 MHz .............. 14 Measurement for Thermal Specifications ................................................................. 15 4.1 Case Temperature Measurements........................................................................