The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2025
Filed:
Aug. 24, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Joon-Whan Bae, Suwon-si, KR;
Junyeong Han, Suwon-si, KR;
Kui-Yon Mun, Suwon-si, KR;
Heetak Shin, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A storage device, including: a nonvolatile memory device including a plurality of memory cells; and a controller configured to, based on receiving an open zone command from an external host device: based on a number of free erase units from among a plurality of erase units included in the plurality of memory cells being greater than a threshold value, allocate at least two free erase units to a first-type zone, and based on the number of the free erase units being smaller than or equal to the threshold value, allocate the at least two free erase units to a second-type zone. wherein the controller is further configured to permit a random write based on a random logical address received from the external host device for the first-type zone, and to permit a zone write based on a sequential logical address received from the external host device for the second-type zone.