PURPOSE:To prevent defects attributable to electro-migration by a method wherein a plurality of third wirings is provided in an inter-block wiring region for the establishment of connection between poly-cell blocks and the width of a third wiring is not set at the minimum value but at a ...
PURPOSE:To prevent defects attributable to electro-migration by a method wherein a plurality of third wirings is provided in an inter-block wiring region for the establishment of connection between poly-cell blocks and the width of a third wiring is not set at the minimum value but at a ...