[SI-LIST] Power Integrity about Vtt of DDR

From: Zhangkun <zhang_kun@xxxxxxxxxx>
To: si-list <si-list@xxxxxxxxxxxxx>
Date: Fri, 14 May 2004 19:24:03 +0800

Dear all:
In DDR, there are two power, VDD and VTT. For example, VDD=2.5V and VTT=1.25V. 
VDD should be decoupled very well. How about the decoupling of VTT? Is it 
important? How to arrange the VDD, VTT and GND?

Best Regards

Zhangkun
2004.5.14


------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field

List FAQ wiki page is located at:
                http://si-list.org/wiki/wiki.pl?Si-List_FAQ

List technical documents are available at:
                http://www.si-list.org

List archives are viewable at:     
                http://www.freelists.org/archives/si-list
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu

Follow-Ups:

[SI-LIST] Re: Power Integrity about Vtt of DDR
From: Scott McMorrow

[SI-LIST] Power Integrity about Vtt of DDR

Other related posts: