Contents
1.0 | Introduction | .............................................................................................................. | 5 | |
| 1.1 | Design Flow | 5 | |
| 1.2 | Definition of Terms | 7 | |
| 1.3 | Reference Documents | 7 | |
2.0 | Packaging Technology | 9 | ||
3.0 | Thermal Specifications | 11 | ||
| 3.1 | Thermal Design Power (TDP) | 11 | |
| 3.2 | Die Case Temperature | 11 | |
4.0 | Thermal Simulation | 12 | ||
5.0 | Thermal Solution Requirements | 13 | ||
| 5.1 | Characterizing the Thermal Solution Requirement | 13 | |
6.0 | Thermal Metrology | 16 | ||
| 6.1 | Die Case Temperature Measurements | 16 | |
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| 6.1.1 Zero Degree Angle Attach Methodology | 16 | |
7.0 | Reference Thermal Solution | 19 | ||
| 7.1 | Operating Environment | 19 | |
| 7.2 | Heatsink Performance | 19 | |
| 7.3 | Mechanical Design Envelope | 20 | |
| 7.4 | 21 | ||
| 7.5 | Torsional Clip Heatsink Thermal Solution Assembly | 22 | |
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| 7.5.1 | Heatsink Orientation | 23 |
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| 7.5.2 | Mechanical Interface Material | 24 |
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| 7.5.3 | Thermal Interface Material | 24 |
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| 7.5.4 | Heatsink Clip | 25 |
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| 7.5.5 | Clip Retention Anchors | 25 |
8.0 | Reliability Guidelines | 26 | ||
A | Thermal Solution Component Suppliers | 27 | ||
| A.1 Torsional Clip Heatsink Thermal Solution | 27 | ||
B | Mechanical Drawings | 28 |
Figures
1 | Thermal Design Process | 6 |
2 | Intel® 6321ESB I/O Controller Hub Package Dimensions (Top View) | 9 |
3 | Intel® 6321ESB I/O Controller Hub Package Dimensions (Side View) | 9 |
4 | Intel® 6321ESB I/O Controller Hub Package Dimensions (Bottom View) | 10 |
5 | Processor Thermal Characterization Parameter Relationships | 14 |
6 | Thermal Solution Decision Flowchart | 17 |
7 | Zero Degree Angle Attach Heatsink Modifications | 17 |
8 | Zero Degree Angle Attach Methodology (Top View) | 18 |
9 | Torsional Clip Heatsink Measured Thermal Performance Versus Approach Velocity and Target | |
| at 65C | 20 |
10 | Torsional Clip Heatsink Volumetric Envelope for the Intel® 6321ESB I/O Controller Hub .... | 21 |
11 | Torsional Clip Heatsink Board Component Keepout | 23 |
12 | Torsional Clip Heatsink Assembly | 24 |
13 | Torsional Clip Heatsink Assembly Drawing | 29 |
14 | Torsional Clip Heatsink Drawing | 30 |
| Intel® 631xESB/632xESB I/O Controller Hub for Embedded Applications | |
February 2007 | TMDG | |
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