ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,486, issued on Oct. 20, was assigned to Rambus Inc. (San Jose, Calif.).
"Stacked device communication" was invented by Thomas Vogelsang (Jericho, Vt.), Michael Raymond Miller (Raleigh, N.C.) and Steven C. Woo (Saratoga, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interconnected stack of one or more Dynamic Random Access Memory (DRAM) die has a base logic die and one or more custom logic or processor die. The processor logic die snoops commands sent to and through the stack. In particular, the processor logic die may snoop mode setting commands (e.g., mode register set-MRS commands). At least one mode setting command that is ignored by t...