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A Generalized Channel Router

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2 Author(s)
Hightower, David W. ; Texas Instruments Incorporated ; Boyd, R.L.

A "generalized" channel router operates on horizontal and vertical channels generated from an irregular cell structure, and is free of a routing grid. Such a router can solve virtually any routing problem. It has two major phases: the global routing phase and the channel routing phase. This paper describes both phases as they have been implemented at TI. It concludes with a demonstration of the versatility of the router (it is used to solve the Hampton Court Maze) and with applications of the router in TI's I2L (Integrated Injector Logic) / STL (Schottky Transistor Logic) Automatic Layout System.

Published in:

Design Automation, 1980. 17th Conference on

Date of Conference:

23-25 June 1980