Via Sharing - Intel Pentium M Processor Design Manual

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Intel Pentium M Processor and Intel E7501 Chipset Platform
High-Speed Design Concerns
12.9.4

Via Sharing

To minimize impedance, traces should not share vias. Figure 166 shows the improper method of
via sharing. Figure 167 shows how to correct via sharing.
Figure 166. Improper Via Sharing
Via shared by C808
and C726
Design Guide
237