Product Application Note ■ BCM5221
7/7/00 ■ BCM5220
Broadcom Corporation
5221/5220-AN01 Product Application Note, Revision R Page 18
Board Layer Allocation. Figure 10 on page 19 illustrates one option for board layer allocation. The figure gives an ex-
ample based on a single VDD and single Ground plane. Of course some applications will require a second VDD plane in
order to accommodate a second power rail.