ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,824, issued on Oct. 28, was assigned to Rambus Inc. (San Jose, Calif.).
"DRAM cache with stacked, heterogenous tag and data dies" was invented by Taeksang Song (San Jose, Calif.), Michael Raymond Miller (Raleigh, N.C.) and Steven C. Woo (Saratoga, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-capacity cache memory is implemented by multiple heterogenous DRAM dies, including a dedicated tag-storage DRAM die architected for low-latency tag-address retrieval and thus rapid hit/miss determination, and one or more capacity-optimized cache-line DRAM dies that render a net cache-line storage capacity orders of magnitude beyond that of state-...