A method for enhancing signal routability within an integrated circuit is provided. The method initiates with examining an outer edge of a sequence of logical array blocks. The method includes identifying an undriven routing wire in a vicinity of the outer edge. An underutilized driver proximate to the undriven routing wire is also identified. Then, the underutilized driver is coupled to the undriven routing wire. A computer readable medium and an integrated circuit are also provided.

 
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> Method of fabricating and integrated circuit through utilizing metal layers to program randomly positioned basic units

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