公开(公告)号：US20250077091A1

公开(公告)日：2025-03-06

申请号：US18433939

申请日：2024-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daejun PARK ,  Seokhwan KIM ,  Yonggil SONG

IPC: G06F3/06

Abstract: Disclosed is an electronic device which includes a host device and a storage device. A method of operating the electronic device includes performing, by the host device, a validity check operation of a target host zone among a plurality of host zones supporting a sequential write operation, generating, by the host device, block map information of the target host zone based on the validity check operation, the block map information including identification information of the target host zone and validity information of all data blocks in the target host zone, and sending, by the host device, the block map information to the storage device.

公开(公告)号：US20200097367A1

公开(公告)日：2020-03-26

申请号：US16529320

申请日：2019-08-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seokhwan KIM ,  Yonggil SONG ,  Chul LEE ,  Jooyoung HWANG

IPC: G06F11/14 ,  G06F3/06 ,  G11C14/00

Abstract: A storage device includes a nonvolatile memory device, a random access memory that includes a first region and a second region, and a controller that is configured to use the first region of the random access memory as a journal memory for a journal indicating modification of data of the second region, expose a user region of the nonvolatile memory device to an external host device as a first access region of a block unit, and expose the second region of the random access memory to the external host device as both a second access region of the block unit and a third access region of a byte unit.