ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,302, issued on Feb. 17, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Multiple state programmable memory" was invented by Jack Qian (Plano, Texas), Kemal Tamer San (Plano, Texas) and Guruvayurappan S Mathur (Allen, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described examples include an integrated circuit having a plurality of nominally identical polycrystalline silicon resistors over a semiconductor substrate. Each of the polysilicon resistors has a resistor body with a first end and a second end, wherein the first end is connected to a current source and the second end is connected to a resistance discriminator. A first proper subset...