[SI-LIST] Re: DDR SDRAM
- From: "D. C. Sessions" <si-list@xxxxxxxxxxxxxxxx>
- To: "'SI-LIST'" <si-list@xxxxxxxxxxxxx>
- Date: Sat, 8 Dec 2001 23:44:21 -0700
On Friday 07 December 2001 08:19, Peter LaFlamme wrote:
> Hi Bob,
> I am involved in a similar situation. I have not run across a lot of info on
> SI or timing issues, however, on the Micron site there is a "designer's
> toolkit" that offers some things that help. I found that the power calculator
> tool is quite handy.
> Additionally, the DDR spec and addendum are mostly concerned with the timing
> diagrams and pin-outs for the 4/8/16 bit wide devices. You may be able to
> find more info if you look into the SDRAM stuff, since the DDR is SDRAM with
> data registered on both
> edges of the clock.
>
> Let me know if you find anything additional. It would be helpful.
There's quite a bit of applications stuff at http://www.ami2.com
It makes a huge difference whether you're doing point-to-point or
bussed data. Point-to-point is much cleaner, but there's less application
data for it. (JC-16 is working some of that now. Better late than never.)
It turns out that useful metrics for nonlinear (i.e. practical) drivers in
near-resonant reflected-wave applications are hard to come by, by
the way. We're probably going to be forced to define a characterization
environment and just put a limit on jitter.
> "Khederian, Bob" wrote:
> >
> > I am doing a design with DDR SDRAM. I am using discrete devices, not
> > modules. Does anyone know of some good application notes for signal
> > integrity issues on these parts.
> >
> > ------------------------------------------------------------------
> > 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 archives are viewable at:
> > //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
> >
>
> --
> Peter LaFlamme
>
> Applied Micro Circuits Corp.
> Staff System Applications Engineer
> 200 Minuteman Rd, 3rd Floor
> Andover, MA 01810
>
> 978-247-8470 phone
> 978-623-0055 Fax
> ------------------------------------------------------------------
> 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 archives are viewable at:
> //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
>
>
>
--
| The race is not always to the swift, nor the battle to the strong. |
| Because the slow, feeble old codgers like me cheat. |
+--------------- D. C. Sessions <dcs@xxxxxxxxxxxxxxxx> --------------+
------------------------------------------------------------------
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 archives are viewable at:
//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
Other related posts:
