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Feasible Aggressor-Set Identification Under Constraints for Maximum Coupling Noise

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6 Author(s)
Sinha, D. ; IBM Syst. & Technol. Group, Hopewell Junction, VA ; Rubin, A. ; Visweswariah, C. ; Borkam, F.
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In this paper, we consider the problem of identifying a feasible set of aggressor nets that would induce maximum crosstalk noise or delay pushout on a coupled victim net, under given logical constraints. We present a novel mathematical formulation of this problem and propose a Lagrangian relaxation-based approach for solving it efficiently and optimally. Experimental results show that the proposed approach is run-time efficient by a factor of up to 800 times in comparison to an exhaustive search approach and reduces timing pessimism by up to 36%. We also formulate and solve this problem while considering the noise susceptibility of the victim's receiving gate.

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:28 ,  Issue: 7 )