An optimal algorithm for river routing with crosstalk constraints

Authors:
Hai Zhou;D. F. Wong
Affiliations:
Department of Computer Sciences, University of Texas at Austin, Austin, TX;Department of Computer Sciences, University of Texas at Austin, Austin, TX
Venue:
Proceedings of the 1996 IEEE/ACM international conference on Computer-aided design
Year:
1997

Citing 5
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Integration, the VLSI Journal

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Abstract

With the increasing density of VLSI circuits, the interconnection wires are getting packed even closer. This has increased the effect of interaction between these wires on circuit performance and hence, the importance of controlling crosstalk. In this paper, we consider river routing with crosstalk constraints. Given the positions of the pins in a single-layer routing channel and the maximum tolerable crosstalk between each pair of nets, we give a polynomial time algorithm to decide whether there is a feasible river routing solution and produce one with minimum crosstalk whenever the problem is feasible.