Patent ID: 9166598
Filing Date: 2015-10-20
Classification: G01R,G11C,H03K

Abstract:
1. Routing circuitry in an integrated circuit (“IC”) comprising: a vertical channel comprising a plurality of routing lines; a horizontal channel comprising a plurality of routing lines; and a first single level selection circuit switch array comprising a plurality of selectable inputs and a plurality of outputs, the first single level selection circuit switch array being coupled to receive inputs from the vertical channel and the horizontal channel and to provide outputs to inputs of a plurality of logic elements of a first logic region and to routing lines in at least one of the vertical channel and the horizontal channel; wherein the first single level selection circuit switch array is arranged such that input at an input of the plurality of selectable inputs may be selected as output of an output of the plurality of outputs by programming a single switch of the first single level selection circuit switch array, and wherein the first single level selection circuit switch array is further coupled to receive inputs from outputs of a plurality of logic elements of a second logic region adjacent to the first logic region through routing lines other than routing lines of the vertical channel and the horizontal channel.