[SI-LIST] Re: Effect of temperature on at 100C for DDR3/4 boards
- From: Barthi das <barthi1@xxxxxxxxx>
- To: steve weir <weirsi@xxxxxxxxxx>
- Date: Wed, 16 Dec 2009 04:58:25 -0800 (PST)
Steve,
Thanks for correcting me. Its 100C
Regards
Barthi
--- On Wed, 12/16/09, steve weir <weirsi@xxxxxxxxxx> wrote:
> From: steve weir <weirsi@xxxxxxxxxx>
> Subject: Re: [SI-LIST] Effect of temperature on at 200C for DDR3/4 boards
> To: "Barthi das" <barthi1@xxxxxxxxx>
> Cc: si-list@xxxxxxxxxxxxx
> Date: Wednesday, December 16, 2009, 7:09 AM
> Did you mistype? Do you mean
> 100C? 200C is way beyond any DDR chip spec, controller
> or memory, and way beyond the safety classification for any
> conventional FR4 type PCB.
>
> Steve.
> Barthi das wrote:
> > Hi,
> >
> > What is the effect of temperature (200C) on
> characteristic impedance at DDR3/4 speeds and what the best
> way to control the impedance because of the temp effect?
> Appreciate if anyone sends the
> literature related to the topic
> >
> > Thanks
> > Barthi
> >
> >
> >
> >
> >
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