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Intel
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IXP43X Product Line of Network Processors—Hardware Design Guidelines
Intel
®
IXP43X Product Line of Network Processors
HDG April 2007
62 Document Number: 316844; Revision: 001US
Figure 20 and Figure 21 show good and poor design practices for via placement on
surface-mount boards.
Figure 22 shows minimum pad-to-pad clearance for surface-mount passive
components and PGA or BGA components.
Figure 20. Good Design Practice for VIA Hole Placement
B2266-01
25 mils min
25 mils min
25 mils min
Figure 21. Poor Design Practice for VIA Placement
B2267-01
Flush Via min
Potential Bridge min