US Patent Issued to TAIWAN SEMICONDUCTOR MANUFACTURING on March 17 for "Read-only memory method, layout, and device" (Taiwanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,033, issued on March 17, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Read-only memory method, layout, and device" was invented by Ku-Feng Lin (Hsinchu, Taiwan), Chia-En Huang (Hsinchu, Taiwan), Chieh Lee (Hsinchu, Taiwan), Kazumasa Uno (Hsinchu, Taiwan) and Ching-Wei Wu (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of generating an IC layout diagram includes dividing a column of NOR-type read-only memory (ROM) bit cells into a plurality of N-bit groups separated by isolation features, wherein each group includes the number of bits N greater than two, based on a ROM code programming ...