Importance

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Abstract

Interconnect structure comprising buffers for a semiconductor device is disclosed. The buffer comprises: an input and an output; and a programmable interconnect structure comprising: a plurality of fixed interconnects including metal and via geometries; and a plurality of selectable interconnect geometries, wherein selecting a selectable geometry connects a first of said fixed interconnects to a second of said fixed interconnects; wherein said input and said output can electrically connect to a subset of said fixed interconnects by the selectable geometries; and a programmable signal restoring unit comprising a plurality of transistors, at least one said transistor having: a common gate region and a common source region; and a first drain region coupled to the buffer output comprising a said fixed interconnect; and a second drain region comprising a said fixed interconnect, said first and second drain regions isolated from each other, wherein a said selectable interconnect geometry can electrically connect the first and second drain regions; wherein, selecting a subset of the selectable interconnect geometries program the buffer input and output connections, and the buffer signal drive strength.

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First Claim