Bga Layout Guideline - Advantech EVA-X4300 User Manual

2.1

BGA Layout Guideline

The package of EVA-X4300 is 581-ball PBGA. The ball diameter is 0.6 mm (24 mil);
ball pitch is 1 mm (40 mil). There are 6 rows of balls arranged along the edge of the
package.
For 6-layer:
! Ball pad diameter: 24 mil
! Traces width/ spacing for Signals: 5.5/ 5 mil
Trace width for Power and Ground: 20 mils
!
Vias PAD/ Drill diameter for all Signals: 14/ 8 mil
!
Via-to-via spacing (center to center): 40 mil
!
! Via-to-pad spacing (center to center): 30 mil
EVA-X4300 System Design Guide 4