ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,355, issued on Feb. 18, was assigned to Rambus Inc. (San Jose, Calif.).
"Hierarchical bank group timing" was invented by John Eric Linstadt (Palo Alto, Calif.), Liji Gopalakrishnan (Sunnyvale, Calif.) and Thomas Vogelsang (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The memory banks of a memory device are arranged and operated in groups and the groups are further arranged and operated as clusters of these groups. Successive accesses to banks that are within different bank group clusters may be issued at a first time interval. Successive accesses to banks that are within different bank groups within the same cluster can be is...