[SI-LIST] Split GND Plane on PKG
- From: jbtera77@xxxxxxxxx
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 7 Jun 2006 14:29:26 +0900
Hi, all
As i know, most PKG designers split their ground plane in PKG. It is
usually for seperation of digital with analog. However, i think, even if we
split GND on PKG, once the package is connected to board by BGA or
wirebonding, the effect of split-GND on PKG will not be appear. Instead, the
board design is much more dominate than pkg p/g design.
So, in my opinion, we don't have to split its ground plane on PKG because it
doesn't affect to overall p/g design including board (maybe a little) and
splitting the ground plane may cause the signal integrity problem.
Could you please let me know the reason designers split the ground plane in
package.
rgs,
Jongbae.
--
--------------------------------------------------------Ph.D Candidate
StudentTerahertz Interconnection & Package Laboratory,Department of
Electrical Engineering, Korea Advanced Institute of Science and Technology
(KAIST),373-1, Kusong-dong, Yusong-ku, Taejon 305-701,
KoreaFax)+82-42-869-8058Tel)+82-42-869-5458Mobile)+82-11-9787-7966E-mail)
pjb77@xxxxxxxxxxxxxxxxxxxxxx URL)
http://tera.kaist.ac.kr/--------------------------------------------------------
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