JP2016526748A - 弱保持時間を有するメモリセルのためのリフレッシュ方式 - Google Patents

弱保持時間を有するメモリセルのためのリフレッシュ方式 Download PDF

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Publication number
JP2016526748A
JP2016526748A JP2016521410A JP2016521410A JP2016526748A JP 2016526748 A JP2016526748 A JP 2016526748A JP 2016521410 A JP2016521410 A JP 2016521410A JP 2016521410 A JP2016521410 A JP 2016521410A JP 2016526748 A JP2016526748 A JP 2016526748A
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Japan
Prior art keywords
refresh
memory
address
holding state
memory address
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JP2016521410A
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English (en)
Japanese (ja)
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JP2016526748A5 (enExample
Inventor
ジュン・ピル・キム
シアンユ・ドン
ジュンウォン・スー
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クアルコム，インコーポレイテッド
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Application filed by クアルコム，インコーポレイテッド filed Critical クアルコム，インコーポレイテッド
Publication of JP2016526748A publication Critical patent/JP2016526748A/ja
Publication of JP2016526748A5 publication Critical patent/JP2016526748A5/ja
Pending legal-status Critical Current

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    • 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
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40622—Partial refresh of memory arrays
    • 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
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40615—Internal triggering or timing of refresh, e.g. hidden refresh, self refresh, pseudo-SRAMs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/401—Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C2211/406—Refreshing of dynamic cells
    • G11C2211/4061—Calibration or ate or cycle tuning
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/401—Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C2211/406—Refreshing of dynamic cells
    • G11C2211/4065—Low level details of refresh operations

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Dram (AREA)
JP2016521410A 2013-06-24 2014-05-05 弱保持時間を有するメモリセルのためのリフレッシュ方式 Pending JP2016526748A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361838435P 2013-06-24 2013-06-24
US61/838,435 2013-06-24
US14/242,769 US20140379978A1 (en) 2013-06-24 2014-04-01 Refresh scheme for memory cells with weak retention time
US14/242,769 2014-04-01
PCT/US2014/036858 WO2014209498A1 (en) 2013-06-24 2014-05-05 Refresh scheme for memory cells with weak retention time

Publications (2)

Publication Number Publication Date
JP2016526748A true JP2016526748A (ja) 2016-09-05
JP2016526748A5 JP2016526748A5 (enExample) 2017-06-08

Family

ID=52111936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016521410A Pending JP2016526748A (ja) 2013-06-24 2014-05-05 弱保持時間を有するメモリセルのためのリフレッシュ方式

Country Status (6)

Country Link
US (1) US20140379978A1 (enExample)
EP (1) EP3014625A1 (enExample)
JP (1) JP2016526748A (enExample)
KR (1) KR20160022342A (enExample)
CN (1) CN105340016A (enExample)
WO (1) WO2014209498A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9047978B2 (en) 2013-08-26 2015-06-02 Micron Technology, Inc. Apparatuses and methods for selective row refreshes
KR102517700B1 (ko) * 2016-06-10 2023-04-05 에스케이하이닉스 주식회사 반도체 메모리 장치 및 그의 동작 방법
CN108959106B (zh) * 2017-05-18 2020-12-18 华为技术有限公司 内存访问方法和装置
CN109378027A (zh) * 2017-08-09 2019-02-22 光宝科技股份有限公司 固态储存装置的控制方法
US10580475B2 (en) 2018-01-22 2020-03-03 Micron Technology, Inc. Apparatuses and methods for calculating row hammer refresh addresses in a semiconductor device
US11152050B2 (en) 2018-06-19 2021-10-19 Micron Technology, Inc. Apparatuses and methods for multiple row hammer refresh address sequences
US11043254B2 (en) 2019-03-19 2021-06-22 Micron Technology, Inc. Semiconductor device having cam that stores address signals
US11264096B2 (en) 2019-05-14 2022-03-01 Micron Technology, Inc. Apparatuses, systems, and methods for a content addressable memory cell with latch and comparator circuits
US11158364B2 (en) 2019-05-31 2021-10-26 Micron Technology, Inc. Apparatuses and methods for tracking victim rows
US11158373B2 (en) 2019-06-11 2021-10-26 Micron Technology, Inc. Apparatuses, systems, and methods for determining extremum numerical values
US10832792B1 (en) 2019-07-01 2020-11-10 Micron Technology, Inc. Apparatuses and methods for adjusting victim data
US11139015B2 (en) 2019-07-01 2021-10-05 Micron Technology, Inc. Apparatuses and methods for monitoring word line accesses
US11386946B2 (en) 2019-07-16 2022-07-12 Micron Technology, Inc. Apparatuses and methods for tracking row accesses
US10943636B1 (en) 2019-08-20 2021-03-09 Micron Technology, Inc. Apparatuses and methods for analog row access tracking
US10964378B2 (en) 2019-08-22 2021-03-30 Micron Technology, Inc. Apparatus and method including analog accumulator for determining row access rate and target row address used for refresh operation
US11462291B2 (en) 2020-11-23 2022-10-04 Micron Technology, Inc. Apparatuses and methods for tracking word line accesses
US11482275B2 (en) 2021-01-20 2022-10-25 Micron Technology, Inc. Apparatuses and methods for dynamically allocated aggressor detection
US11600314B2 (en) * 2021-03-15 2023-03-07 Micron Technology, Inc. Apparatuses and methods for sketch circuits for refresh binning
US11664063B2 (en) 2021-08-12 2023-05-30 Micron Technology, Inc. Apparatuses and methods for countering memory attacks
US11688451B2 (en) 2021-11-29 2023-06-27 Micron Technology, Inc. Apparatuses, systems, and methods for main sketch and slim sketch circuit for row address tracking
US12165687B2 (en) 2021-12-29 2024-12-10 Micron Technology, Inc. Apparatuses and methods for row hammer counter mat
TWI796924B (zh) * 2022-01-05 2023-03-21 華邦電子股份有限公司 記憶體裝置
CN117672290B (zh) * 2024-02-01 2024-05-17 长鑫存储技术(西安)有限公司 存储器结构、刷新方法及存储器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244667A (ja) * 2005-03-07 2006-09-14 Elpida Memory Inc 半導体記憶装置とリフレッシュ制御方法
JP2007510254A (ja) * 2003-11-07 2007-04-19 インフィネオン テクノロジーズ アクチエンゲゼルシャフト 弱保持期間のセルを有するダイナミックメモリ用リフレッシュ方法
JP2012248265A (ja) * 2011-05-25 2012-12-13 Samsung Electronics Co Ltd メモリ装置のリフレッシュ方法、リフレッシュアドレス生成器及びメモリ装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7565479B2 (en) * 2005-08-04 2009-07-21 Rambus Inc. Memory with refresh cycle donation to accommodate low-retention-storage rows
US7734866B2 (en) * 2005-08-04 2010-06-08 Rambus Inc. Memory with address-differentiated refresh rate to accommodate low-retention storage rows

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007510254A (ja) * 2003-11-07 2007-04-19 インフィネオン テクノロジーズ アクチエンゲゼルシャフト 弱保持期間のセルを有するダイナミックメモリ用リフレッシュ方法
JP2006244667A (ja) * 2005-03-07 2006-09-14 Elpida Memory Inc 半導体記憶装置とリフレッシュ制御方法
JP2012248265A (ja) * 2011-05-25 2012-12-13 Samsung Electronics Co Ltd メモリ装置のリフレッシュ方法、リフレッシュアドレス生成器及びメモリ装置

Also Published As

Publication number Publication date
CN105340016A (zh) 2016-02-17
WO2014209498A1 (en) 2014-12-31
EP3014625A1 (en) 2016-05-04
US20140379978A1 (en) 2014-12-25
KR20160022342A (ko) 2016-02-29

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