[SI-LIST] ODT Impedance on DDR2
- From: sudarshan kr <sudarshankr@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 10 Dec 2009 17:00:17 +0530
Hi All,
I am validating the DDR memory controller from 3rd party IP. With related
to the ODT settings of the DDR device, how to qualify and quantify which of
the 3 options(75,150,50Ohm) gives the better results.
I saw few waveforms on the website which shows an eye pattern of the w/f.
But i didnot understand how this is created using a differential signal
probed using an differential probe.
Thanks in advance
Regards,
Sudarshan
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