JP5197544B2 - メモリシステム - Google Patents

メモリシステム Download PDF

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Publication number
JP5197544B2
JP5197544B2 JP2009231832A JP2009231832A JP5197544B2 JP 5197544 B2 JP5197544 B2 JP 5197544B2 JP 2009231832 A JP2009231832 A JP 2009231832A JP 2009231832 A JP2009231832 A JP 2009231832A JP 5197544 B2 JP5197544 B2 JP 5197544B2
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JP
Japan
Prior art keywords
log likelihood
likelihood ratio
ratio table
llr
memory system
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Expired - Fee Related
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JP2009231832A
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English (en)
Japanese (ja)
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JP2011081858A5 (enExample
JP2011081858A (ja
Inventor
健次 櫻田
浩典 内川
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Toshiba Corp
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Toshiba Corp
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Publication date
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Priority to JP2009231832A priority Critical patent/JP5197544B2/ja
Priority to US12/796,211 priority patent/US8250437B2/en
Priority to KR1020100085926A priority patent/KR20110037842A/ko
Priority to CN2010102753089A priority patent/CN102034547A/zh
Publication of JP2011081858A publication Critical patent/JP2011081858A/ja
Publication of JP2011081858A5 publication Critical patent/JP2011081858A5/ja
Application granted granted Critical
Publication of JP5197544B2 publication Critical patent/JP5197544B2/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/26—Sensing or reading circuits; Data output circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5642—Sensing or reading circuits; Data output circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
  • Error Detection And Correction (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP2009231832A 2009-10-05 2009-10-05 メモリシステム Expired - Fee Related JP5197544B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009231832A JP5197544B2 (ja) 2009-10-05 2009-10-05 メモリシステム
US12/796,211 US8250437B2 (en) 2009-10-05 2010-06-08 Memory system and control method for the same
KR1020100085926A KR20110037842A (ko) 2009-10-05 2010-09-02 메모리 시스템 및 메모리 시스템의 제어 방법
CN2010102753089A CN102034547A (zh) 2009-10-05 2010-09-03 存储器系统以及对存储器系统的控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009231832A JP5197544B2 (ja) 2009-10-05 2009-10-05 メモリシステム

Publications (3)

Publication Number Publication Date
JP2011081858A JP2011081858A (ja) 2011-04-21
JP2011081858A5 JP2011081858A5 (enExample) 2012-07-12
JP5197544B2 true JP5197544B2 (ja) 2013-05-15

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Family Applications (1)

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JP2009231832A Expired - Fee Related JP5197544B2 (ja) 2009-10-05 2009-10-05 メモリシステム

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US (1) US8250437B2 (enExample)
JP (1) JP5197544B2 (enExample)
KR (1) KR20110037842A (enExample)
CN (1) CN102034547A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9798613B2 (en) 2013-12-27 2017-10-24 Toshiba Memory Corporation Controller of nonvolatile semiconductor memory
US10803930B2 (en) 2018-03-22 2020-10-13 Toshiba Memory Corporation Memory system including a memory controller and error correction circuit for reading multi-bit data and for detecting and correcting read data errors
US11163639B2 (en) 2019-09-19 2021-11-02 Kioxia Corporation Memory system and method for controlling nonvolatile memory

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US20110083060A1 (en) 2011-04-07
CN102034547A (zh) 2011-04-27

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