Two-dimensional router for double layer layout

Authors:
Malgorzata Marek-Sadowska
Affiliations:
-
Venue:
DAC '85 Proceedings of the 22nd ACM/IEEE Design Automation Conference
Year:
1985

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Abstract

A heuristic algorithm for two dimensional routing utilizing two distinct layers is presented. It is assumed that all terminals are on the boundary of a rectilinear routing region with or without initial routes present. The router produces a Manhattan-style routing collapsed into one layer. Another program decides the layering, however, it is not described here. By default, when the layering program is not used, vertical segments of routes are placed on one layer, horizontal on the other.