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Crosstalk Minimization for Coupled RLC Interconnects Using Bidirectional Buffer and Shield Insertion

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Author(s): Damanpreet Kaur | V.Sulochana

Journal: International Journal of VLSI Design & Communication Systems
ISSN 0976-1527

Volume: 04;
Issue: 03;
Start page: 31;
Date: 2013;
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Keywords: Crosstalk | Bidirectional Buffer | Shielding | Skewing

ABSTRACT
Crosstalk noise is often induced in long interconnects running parallel to each other. There is a need tominimize the effect of these crosstalk noise so as to maintain the signal integrity in interconnects. In thispaper crosstalk noise is minimized using various techniques such as repeater (bidirectional buffer)insertion along with shielding, skewing and shielding & skewing simultaneously. With the help of thesetechniques crosstalk noise is controlled to a great extent in long interconnects. Pre-layout and Post-layoutsimulations for crosstalk are carried out for these techniques at 180nm technology node using CadenceEDA tools. The influences of these techniques are analyzed and it is found that crosstalk is reduced up to32 % with repeater insertion, 47% with skewing, 58% with shielding and 81% with skewing & shieldingsimultaneously.
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