QUALCOMM Incorporated
METHOD AND SYSTEM FOR IMPROVING ROCK BOTTOM SLEEP CURRENT OF PROCESSOR MEMORIES

Abstract:

Various embodiments include methods and devices for cache memory power control. Some embodiments may include determining whether a processor is entering a lowest power mode of the processor, and switching a lowest power mode switch control signal to indicate to a cache power switch of the processor switching an electrical connection of a cache memory from a memory power rail to a processor power rail in response to determining that the processor is entering a lowest power mode.