ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,699, issued on March 3, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Activating automatic sleep and wakeup sequences in a NAND die based on another NAND die status" was invented by Dharmaraju Marenahally Krishna (Bangalore, India), Bhavadip Solanki (Bangalore, India), Muralitharan Jayaraman (Bangalore, India), Narendhiran Chinnaanangur Ravimohan (Bangalore, India) and Tanmai Kari (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A die on a memory device enters a wakeup or sleep state based on statuses of other dies on the memory device. The die includes an input/output (IO) line to indicate its operation state. A pro...