Invention Grant
- Patent Title: Memory system and method of controlling nonvolatile memory
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Application No.: US15481553Application Date: 2017-04-07
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Publication No.: US10025514B2Publication Date: 2018-07-17
- Inventor: Riki Suzuki , Toshikatsu Hida , Tokumasa Hara
- Applicant: Toshiba Memory Corporation
- Applicant Address: JP Tokyo
- Assignee: TOSHIBA MEMORY CORPORATION
- Current Assignee: TOSHIBA MEMORY CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: G11C16/04
- IPC: G11C16/04 ; G06F3/06 ; G11C16/12 ; G11C29/52
Abstract:
According to one embodiment, a controller executes first refreshing in a case where a first value of a first block is larger than a first threshold and less than a second threshold. The first refreshing includes reprogramming a plurality of second memory cells among a plurality of first memory cells included in the first block.
Public/Granted literature
- US20170212703A1 MEMORY SYSTEM AND METHOD OF CONTROLLING NONVOLATILE MEMORY Public/Granted day:2017-07-27
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