Myers Bigel Sibley & Sajovec, PA
Storage device based on a flash memory and user device including the same
Disclosed is a storage device which includes a flash memory storing data; and a controller controlling the flash memory and performing an invalidation operation in response to a trim command of a host, wherein the controller configures a trim sector bitmap using trim information provided from the host at the invalidation operation and manage the trim sector bitmap by a region unit.
Samsung Electronics Co., Ltd.
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Dawoon Sang-Jin Hyun Jin
Jung Oh Choi