RE: [SI-LIST] : Daisy Chain topology - termination schemes

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From: Rede, James (JRede@taqua.com)
Date: Fri May 11 2001 - 06:17:55 PDT


Hi Selva,
 
I may be able to help you with your daisy-chain design.
I have done a lot of work with this topology and know a few tricks.
Please give me the following details:
1) Clock Frequency _______________
2) Clock Amplitude________________
3) Type of Driver__________________
4) Number of Drops________________
5) Zo of trace_____________________
6) Length of Each Link_____________
7) Type of Inputs__________________
 
Once I have this data, I will be able to tell what may work.
 
Best Regards,
 
JJ Rede
Taqua Systems
Hyannis MA

-----Original Message-----
From: selvaraj subramanian [mailto:selvaraj.manian@wipro.com]
Sent: Friday, May 11, 2001 2:17 AM
To: si-list@silab.eng.sun.com
Subject: [SI-LIST] : Daisy Chain topology - termination schemes

Hello all,
 
My simulations using XTK for most of the daisy chain topology is showing
non-monotonicity on both the edges of the data/signal. I tried different
termination strategies to remove the kink. But couln't.
 
What I saw was that the worst affected load is the first load from the
driver?
 
Suggest me how to remove the non-monotonicity while using the daisy chain
topology and is it ok if I bring that kink within the threshold levels.
 
thanks in advance.
 
regards,
Selva
 
 

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