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:
Jun. 19, 2018
Filed:
Mar. 02, 2017
SK Hynix Inc., Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A memory device may include: a memory cell array comprising a plurality of search regions, each of the search regions comprising a plurality of group regions, each of the group regions comprising a flag cell, each flag cell comprising information indicating whether the corresponding group region is programmed; a voltage generator suitable for generating a read bias voltage for the memory cell array according to a voltage control signal; and a memory controller suitable for selecting a search region and controlling the voltage generator to adjust the read bias voltage based on information of flag cell of the selected search region when a read command is received, and controlling a read operation for the selected search region based on the adjusted read bias voltage.