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. 29, 2021
Filed:
May. 08, 2019
SK Hynix Inc., Gyeonggi-do, KR;
Jae-Yoon Lee, Seoul, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
An operating method of controller includes estimating, by a mean-bias manager, candidates of a mean bias voltage based on source read voltages corresponding to respective program states; determining, by a reliability interval manager, whether the candidates of the mean bias voltage are within confidence intervals respectively corresponding to the program states; selecting, by the reliability interval manager, the candidates of the mean bias voltage when the candidates of the mean bias voltage are within confidence intervals, respectively; deciding, by a read bias manager, target read voltages based on selected mean bias voltages or the selected candidates of the mean bias voltage; and reading, by a processor, target data according to the target read voltages.