US Patent 7750474 Metal programmable logic and multiple function pin interface

Some of the embodiments of the present invention provide an integrated circuit device including a first metal interconnect, an end of which is coupled to a core of the integrated circuit device, a second metal interconnect, an end of which is coupled to a first input/output (I/O) pin, and a third metal interconnect configured to be coupled to the first metal interconnect and to the second metal interconnect. Other embodiments are also described and claimed.