[SI-LIST] Hyperlynx
- From: "Qazi Iqbal" <qazi@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Tue, 15 Jun 2004 10:58:57 -0700
Hi Experts,
I have a question regarding Hyperlinx. It may sound naive because I am new
in SI. Can Hyperlynx measure reflection at different points along a trace
(like TDR)? If yes can anyone please tell me how?
Thanks in advance.
Qazi Iqbal
----- Original Message -----
From: "Frank Y.C. Pai" <frank.yc.pai@xxxxxxxxxxx>
To: <si-list@xxxxxxxxxxxxx>
Sent: Tuesday, June 15, 2004 3:07 AM
Subject: [SI-LIST] Definition of "Data Input Pulse Width" for DDRII
> Hi ! Gurus
>
> I have a question regarding DDRII specification.
> There is a parameter called "Data Input Pulse Width" and defined as
> 0.35*tCK in specification.
> But there are no other explanations about how to measure it.
> Could anyone tell me how to measure it?
> Whether should it be measured from Vih(ac), Vil(ac) or Vref?
>
> Regards
>
> Frank
>
>
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