[SI-LIST] Re: stimulus doubt - address simulation for DDR2.
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 30 May 2013 01:51:16 -0700
What do you do to switch patterns?
Steve.
On 5/29/2013 9:25 PM, Balamanikandan K wrote:
> Dear Experts
>
> I have done the address simulation for DDR2.
>
> When I give a stimulus using 200MHz oscillator waveform with 50% duty
> cycle, I get a good waveform.
>
> If I give a stimulus using PRBS pattern, I get a waveform with more
> ringing.
>
> Is it because of the topology error or ibis model?
>
> I checked with another ibis model also. But the observations are same.
>
> I am using HyperLynx 8.2.1
>
> Please assist me to correct the waveform.
>
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