Pbga Escape Routing; Pcb Dimensions For Copper-Defined Land Pads - Intel PXA27 Series Design Manual

PCB Design Guidelines
2.2.3.3

PBGA Escape Routing

This section documents the method of PBGA routing along with the recommended dimensions.
Table 2-4. PCB Dimensions for Copper-Defined Land Pads
A: Land Pad Size
B: Solder Mask Opening
C: Typical Trace Width
D: Reduced Trace Width Between Land Pads
E: Trace Width (2 Traces)
F: Spaces (2 Traces)
G: Typical Micro Via (Via-in-Pad) Drill Size
Notes:
1. All dimensions are in mm (inches).
I:2-10
Feature
Intel
1.0 mm
PBGA
0.406 (0.016)
0.610 (0.024)
0.127 (0.005)
0.0889 (0.0035)
0.090 (0.0035)
0.090 (0.0035)
N/A
®
PXA27x Processor Family Design Guide