ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,506, issued on Nov. 11, was assigned to Achronix Semiconductor Corp. (Santa Clara, Calif.).

"Multiple mode arithmetic circuit" was invented by Daniel Pugh (Los Gatos, Calif.), Raymond Nijssen (San Jose, Calif.), Michael Philip Fitton (Menlo Park, Calif.) and Marcel Van der Goot (Pasadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tile of an FPGA includes a multiple mode arithmetic circuit. The multiple mode arithmetic circuit is configured by control signals to operate in an integer mode, a floating-point mode, or both. In some example embodiments, multiple integer modes (e.g., unsigned, two's complement, and sign-magnitude) are select...