[SI-LIST] Re: ODT in DDR3
- From: Cristian Filip <cris_filip2002@xxxxxxxx>
- To: prasad <hariprasad.palli@xxxxxxxxx>, Hermann Ruckerbauer <hermann.ruckerbauer@xxxxxxxxxxxxx>
- Date: Tue, 24 Nov 2009 16:30:22 -0800 (PST)
Hi Hermann,
I am interested on the remaining topics from your agenda:
1) Simulation and Data evaluation
2) Layout
3) Measurement
Could you please make them available?
Thanks,
Cristian
--- On Tue, 11/24/09, Hermann Ruckerbauer <hermann.ruckerbauer@xxxxxxxxxxxxx>
wrote:
> From: Hermann Ruckerbauer <hermann.ruckerbauer@xxxxxxxxxxxxx>
> Subject: [SI-LIST] Re: ODT in DDR3
> To: "prasad" <hariprasad.palli@xxxxxxxxx>
> Cc: si-list@xxxxxxxxxxxxx
> Received: Tuesday, November 24, 2009, 1:54 PM
> Hi Venkat,
>
> I have just sent one answer to another post regarding DDR2
> vs. DDR3.
> Here are the different values of DDR3 ODT mentioned, that
> you can
> program in the MRS.
> Here the link to the presentation:
>
> http://www.eyeknowhow.de/index.php?option=com_rokdownloads&view=folder&Itemid=17&id=2:presentations
>
> The reason for the different ODT values are the different
> configurations where you can use your DRAM and adjust its
> behavior according to your system.
> For a highly loaded system with many reflections you can
> use a lower value of ODT, and for a light loaded system (e.
> g. Point to Point) you can use e. g. only the 120 Ohm
> (dynamic) ODT (or no termination at all) in order to save
> power.
>
> To really figure out what your configuration will need you
> have to do some simulations and maybe calculate a timing
> budget ...
>
> regards
>
> Hermann
>
>
> EKH - EyeKnowHow
> Hermann Ruckerbauer
> www.EyeKnowHow.de
> Hermann.Ruckerbauer@xxxxxxxxxxxxx
> Veilchenstrasse 1
> 94554 Moos
> Tel.: +49 (0)9938 / 902 083
> Mobile: +49 (0)176 / 787 787 77
> Fax: +49 (0)3212 / 121 9008
>
>
>
> prasad schrieb:
> > Hi All,
> > what are the different values of ODT for DDR3? how do
> they choose them and
> > when do they program it for different values? and
> why?
> >
> > please help me with your inputs....
> >
> >
> > Thanks,
> > venkat
> >
> >
> >
> ------------------------------------------------------------------
> > 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:
> > //www.freelists.org/webpage/si-list
> >
> > For help:
> > si-list-request@xxxxxxxxxxxxx
> with 'help' in the Subject field
> >
> >
> > List technical documents are available at:
> >
> http://www.si-list.net
> >
> > List archives are viewable at:
>
> > //www.freelists.org/archives/si-list
> >
> > Old (prior to June 6, 2001) list archives are viewable
> at:
> > http://www.qsl.net/wb6tpu
> >
> >
> >
> ------------------------------------------------------------------------
> >
> >
> > Eingehende eMail ist virenfrei.
> > Von AVG überprüft - www.avg.de
> > Version: 9.0.709 / Virendatenbank: 270.14.80/2523 -
> Ausgabedatum: 11/24/09 08:46:00
> >
> >
> ------------------------------------------------------------------
> 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:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx
> with 'help' in the Subject field
>
>
> List technical documents are available at:
> http://www.si-list.net
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
>
> Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
>
__________________________________________________________________
The new Internet Explorer® 8 - Faster, safer, easier. Optimized for Yahoo!
Get it Now for Free! at http://downloads.yahoo.com/ca/internetexplorer/
------------------------------------------------------------------
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:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List technical documents are available at:
http://www.si-list.net
List archives are viewable at:
//www.freelists.org/archives/si-list
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
