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:
Aug. 16, 2022
Filed:
Nov. 10, 2020
SK Hynix Inc., Icheon-si, KR;
Dae Seok Shin, Icheon-si, KR;
SK HYNIX INC., Icheon-si, KR;
Abstract
A storage device having an improved operation speed includes memory blocks and a sudden power-off manager. The memory blocks connected to word lines as part of a super block. The sudden power-off manager in communication with the memory blocks and configured to, in response to a sudden power off, 1) select reference word lines among the word lines to group the word lines into word line zones defined using the reference word lines, 2) perform read operations on pages connected to the reference word lines to determine states of the pages connected to the reference word lines, 3) select a first erase page search zone among the word line zones based on results of the read operations, and 4) determine a first erase page located at a boundary between a program page and an erase page in the first erase page search zone.