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Post global routing RLC crosstalk budgeting

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4 Author(s)
Jinjun Xiong ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; Jun Chen ; Ma, J. ; Lei He

Existing layout optimization methods often assume a set of interconnects with given RLC crosstalk bounds in a routing region. RLC crosstalk bound partitioning is critical for effectively applying these methods at the full-chip level. In this paper, we develop an optimal crosstalk budgeting scheme based on linear programming (LP) formulation, and apply it to shield insertion and net ordering at the full-chip level. Experiment results show that compared to the best alternative approach, the LP based method reduces the total routing area by up to 7.61% and also uses less runtime. To the best of our knowledge, this is the first in-depth work that studies the RLC crosstalk budgeting problem.

Published in:

Computer Aided Design, 2002. ICCAD 2002. IEEE/ACM International Conference on

Date of Conference:

10-14 Nov. 2002