AN 114: Board Design Guidelines for Altera® Programmable Device Packages

ID 683481
Date 4/25/2025
Public
Document Table of Contents

1.3.4.7. Sample PCB Routing Scheme on 4 Layers for 0.4-mm 81-pin VBGA (also known as WLCSP)

The MAX® 10 device family also introduced the first VBGA (also known as WLCSP) for 81-pin and 36-pin VBGA packages. The following figure is the example of PCB routing scheme on 4 layers for 0.4-mm 81-pin VBGA (also known as WLCSP) package.

Figure 29. A Sample PCB Routing Scheme on 4 Layers for 0.4-mm 81-pin VBGA (also known as WLCSP)