[SI-LIST] Re: DDR2-Vref Noise
- From: Hermann Ruckerbauer <Hermann.Ruckerbauer@xxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 05 Aug 2013 12:34:44 +0200
DQS is (usually) differential and referenced to the Crossing, not to
Vref ...
Hermann
EKH - EyeKnowHow
Hermann Ruckerbauer
www.EyeKnowHow.de
Hermann.Ruckerbauer@xxxxxxxxxxxxx
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schrieb Balamanikandan K:
> Hi
> In ddr2, VREF noise causes strobe-to-data skew. Since DQ and DQS are
> connected to same Vref, then how does Vref noise cause skew between these
> two signals?
>
> Please clarify so that I can understand.
>
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