Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masamichi Fujiwara
Masanobu Shirakawa
Shohei Asami
Marie Takada
Tsukasa Tokutomi
Date of Patent
September 19, 2023
Patent Application Number
17568336
Date Filed
January 4, 2022
Patent Citations
Patent Primary Examiner
Patent abstract
According to one embodiment, a memory system includes a semiconductor memory and a controller. The semiconductor memory includes first to fourth word lines and first to fourth memory cells. The controller is configured to issue first and second instructions. The controller is further configured to execute a first operation to obtain a first read voltage based on a threshold distribution of the first memory cell, and a second operation to read data from the second memory cell.
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