[SI-LIST] Re: CPU-Memory Termination
- From: Chris Johnson <cjohnson@xxxxxxx>
- To: "Nijagunamurthy, Hithesh (GE Intelligent Platforms)" <hithesh@xxxxxx>, "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
- Date: Tue, 01 Feb 2011 01:18:14 -0500
Hithesh,
There is a paper at
http://www.ultracad.com/mentor/mentor%20termination%20placement.pdf that
argues that series termination resistor placement is not all that
critical. In that case, you could consider putting it in the middle of
the net, if it isn't too long.
Chris
On 2/1/2011 12:36 AM, Nijagunamurthy, Hithesh (GE Intelligent Platforms)
wrote:
> Hi Experts,
>
> How do you terminate and what kind of termination to use when both the
> CPU and Memory can drive the Address/Data bus.
> If CPU is the only driver, using series termination would make sense.
> But when Memory is driving, the series termination resistor is not at
> all near the driver.
> Is the answer not to use termination at all?
>
> Thanks,
> -Hithesh
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