[SI-LIST] Re: CPU-Memory Simulation

  • From: "Joseph Kao" <josephk@xxxxxxxxxxx>
  • To: <mkhaeri@xxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 6 Aug 2007 09:24:35 +0800

Hello, M.Kemani,

You have to set the ODT model for the other DIMM if your DIMM was
DDR2/DDR3. ODT should be "input".=20

Regards,
Joseph Kao

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Mohammad Haeri Kermani
Sent: Saturday, August 04, 2007 2:15 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] CPU-Memory Simulation

Hi All,

I am simulating a CPU-Memory system (the CPU is connected to 2 DIMMs)
using IBIS models. The CPU (buffer setting: input)  is reading from one
DIMM (buffer setting: output). Which setting should I use for the other
DIMM? Should I use "input" buffer setting for the other DIMM or should I
use high impedance (open) in the simulation? (these two cases give
different results).

Thanks,
M. Kermani
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