Wiring designing apparatus for automatically designing layout of integrated circuit and wiring designing method therefor

摘要

A wiring designing apparatus and a wiring designing method is provided that comprise a wiring region setting unit for inputting a net list containing the nets for terminal connections and for setting a channel wiring region for wiring. A partial channel setting unit sets a partial channel region in the channel wiring region. A net selecting unit selects target nets for wiring designing from the net list, and a virtual terminal setting unit sets necessary virtual terminals on the boundaries of the partial channel region. A trunk allocating unit allocates the trunks of the selected nets to the wiring tracks in the partial channel region, and a wiring inhibited pattern updating unit outputs the wiring results after an update of the wiring inhibited pattern corresponding to the results of the trunk allocation by the trunk allocating unit. A net list updating unit updates the net list corresponding to the results of the trunk allocation by the trunk allocating unit.