Intel Xeon 3.20GHz Processor RK80546KG0882MM Manual Do Utilizador

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RK80546KG0882MM
Página de 45
R
 
 
mPGA604 Socket 
3 
Mechanical Design Guide 
Contents 
1
 
Introduction ....................................................................................................................... 7
 
1.1
 
Objective ................................................................................................................7
 
1.2
 
Purpose.................................................................................................................. 7
 
1.3
 
Scope .....................................................................................................................7
 
2
 
Assembled Component and Package Description........................................................ 9
 
3
 
Mechanical Requirements.............................................................................................. 11
 
3.1
 
Attachment ...........................................................................................................11
 
3.2
 
Materials...............................................................................................................11
 
3.2.1
 
Socket Housing....................................................................................... 11
 
3.2.2
 
Color........................................................................................................ 11
 
3.3
 
Cutouts for Package Removal .............................................................................11
 
3.4
 
Socket Standoffs Height ......................................................................................11
 
3.5
 
Markings...............................................................................................................12
 
3.5.1
 
Name....................................................................................................... 12
 
3.5.2
 
Lock (Closed) and Unlock (Open) Markings........................................... 12
 
3.5.3
 
Lot Traceability........................................................................................ 12
 
3.6
 
Socket Size ..........................................................................................................12
 
3.7
 
Socket/Package Translation During Actuation ....................................................13
 
3.8
 
Orientation in Packaging, Shipping and Handling ...............................................13
 
3.9
 
Contact Characteristics........................................................................................13
 
3.9.1
 
Number of contacts................................................................................. 13
 
3.9.2
 
Base Material .......................................................................................... 13
 
3.9.3
 
Contact Area Plating ............................................................................... 13
 
3.9.4
 
Solder Ball Attachment Area Plating....................................................... 13
 
3.9.5
 
Solder Ball Characteristics...................................................................... 13
 
3.9.6
 
Lubricants................................................................................................ 13
 
3.10
 
Material and Recycling Requirements .................................................................13
 
3.11
 
Lever Actuation Requirements.............................................................................14
 
3.12
 
Socket Engagement/Disengagement Force ........................................................14
 
3.13
 
Visual Aids ...........................................................................................................14
 
3.14
 
Socket BGA Co-Planarity.....................................................................................14
 
3.15
 
Solder Ball True Position .....................................................................................14
 
3.16
 
Critical-to-Function Dimensions ...........................................................................14
 
4
 
Electrical Requirements ................................................................................................. 17
 
4.1
 
Electrical Resistance............................................................................................18
 
4.2
 
Determination of Maximum Electrical Resistance ............................................... 22
 
4.3
 
Inductance............................................................................................................23
 
4.3.1
 
Design Procedure for Inductance Measurements .................................. 24
 
4.3.2
 
Correlation of Measurement and Model Data Inductance ...................... 25
 
4.4
 
Pin-to-Pin Capacitance ........................................................................................25
 
4.5
 
Dielectric Withstand Voltage ................................................................................25
 
4.6
 
Insulation Resistance...........................................................................................25
 
4.7
 
Contact Current Rating ........................................................................................25
 
5
 
Environmental Requirements ........................................................................................ 27
 
5.1
 
Mixed Flowing Gas ..............................................................................................28