Patent 8446176 was granted and assigned to Freescale Semiconductor on May, 2013 by the United States Patent and Trademark Office.
An integrated circuit ECO base cell module is formed with PMOS and NMOS gate electrode structures and power supply lines that are electrically separated from one another up to the second metal (M2) layer in a fixed circuit structure that may be reconfigured with one or more conductor elements formed above the M2 layer to form a predetermined circuit function.