Patent ID: 7356798
Filing Date: 2008-04-08
Classification: G06F

Abstract:
1. A method of routing a semiconductor integrated circuit by using a routing apparatus having an input unit, a storage unit, and an arithmetic unit, comprising: receiving, by the input unit, for respective terminals of a plurality of elements contained in the semiconductor integrated circuit, wiring enable/disable information which sets a region where a connection of a wiring line is enabled and a region where a connection of a wiring line is disabled, and storing, the wiring enable/disable information in the storage unit; and determining, by the arithmetic unit using the wiring enable/disable information stored in the storage unit, whether a connection of a wiring line to a predetermined portion of a terminal of an element is enabled, and when the arithmetic unit determines that the connection of the wiring line is enabled, executing the connection, wherein the wiring enable/disable information sets wiring enable regions at two end portions of the terminal, sets a wiring disable region at a central portion of the terminal except the two end portions, and sets an interval between either end face of the terminal and another wiring line different in longitudinal direction from the terminal to a predetermined interval not smaller than a minimum interval defined by a design rule.