JP2006338759A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP2006338759A JP2006338759A JP2005160948A JP2005160948A JP2006338759A JP 2006338759 A JP2006338759 A JP 2006338759A JP 2005160948 A JP2005160948 A JP 2005160948A JP 2005160948 A JP2005160948 A JP 2005160948A JP 2006338759 A JP2006338759 A JP 2006338759A
- Authority
- JP
- Japan
- Prior art keywords
- refresh
- address
- power supply
- refreshed
- word line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
-
- 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
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/4074—Power supply or voltage generation circuits, e.g. bias voltage generators, substrate voltage generators, back-up power, power control circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
- G11C5/063—Voltage and signal distribution in integrated semi-conductor memory access lines, e.g. word-line, bit-line, cross-over resistance, propagation delay
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/08—Word line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, for word lines
-
- 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
- G11C2211/4068—Voltage or leakage in refresh operations
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Dram (AREA)
Abstract
【解決手段】 電源電圧VPPを監視し、下限値を下回る場合には倍増リフレッシュ方式として、次のリフレッシュサイクルに割り込ませるシリアルリフレッシュする。シリアルリフレッシュとすることで電源電圧VPPの低下を抑制することができる半導体装置。
【選択図】 図1
Description
2 VPP電源回路
3 リフレッシュカウンタ
4 アドレスセレクタ
5 アドレスバッファ
6 ヒューズ回路群
7 多重リフレッシュ制御回路
8 プリデコーダ
9 選択回路
10 ロウデコーダ
11 メモリアレイ
12 センスアンプ
13 Yスイッチ
14 カラムデコーダ
15 I/O回路
16 レベル検知回路
17 オシレータ回路
18 チャージポンプ回路
Claims (7)
- 倍増リフレッシュが適用される半導体装置において、内部発生電源電圧値により倍増リフレッシュ動作方式を変更することを特徴とする半導体装置。
- 前記内部発生電圧値と基準となる下限電圧値とを比較判定するレベル検知回路と、該レベル検知回路からのリフレッシュ制御信号により前記倍増リフレッシュ動作方式を変更する多重リフレッシュ制御回路とを備えたことを特徴とする請求項1に記載の半導体装置。
- 前記内部発生電源電圧値が前記下限電圧値よりも高い場合には、リフレッシュコマンドが入力されたサイクルにおいてアドレスセレクタが選択したアドレス及びペアアドレスをリフレッシュし、前記下限電圧値よりも低い場合には、リフレッシュコマンドが入力されたサイクルにおいてアドレスセレクタが選択したアドレスをリフレッシュし、次のリフレッシュコマンドが入力されたサイクルにおいて前記アドレスセレクタが選択したアドレスのペアアドレスをリフレッシュすることを特徴とする請求項2に記載の半導体装置。
- 前記内部発生電源電圧値が前記下限電圧値よりも高い場合には、リフレッシュコマンドが入力されたサイクルの前半においてアドレスセレクタが選択したアドレスをリフレッシュし、前記サイクルの後半においてペアアドレスをリフレッシュすることを特徴とする請求項3に記載の半導体装置。
- 前記内部発生電源電圧値が下限電圧値よりも高い場合には、リフレッシュコマンドが入力されたサイクルにおいてアドレスセレクタが選択するアドレス及びペアアドレスを同時にリフレッシュすることを特徴とする請求項3に記載の半導体装置。
- 倍増リフレッシュが必要なアドレスが記憶されたヒューズ回路群をさらに備え、該ヒューズ回路群は、アドレスセレクタが選択するアドレスと、前記ヒューズ回路群に記憶されたアドレスとを比較することで、前記アドレスセレクタが選択したアドレスのペアアドレスが倍増リフレッシュを必要とする場合にヒット信号を出力することを特徴とする請求項3に記載の半導体装置。
- 前記多重リフレッシュ制御回路は、前記ヒット信号と前記リフレッシュ制御信号とを入力され、前記内部発生電源電圧値が下限電圧値よりも低い場合には、リフレッシュカウンタのカウントアップを停止するホールド信号を出力することを特徴とする請求項6に記載の半導体装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005160948A JP4524645B2 (ja) | 2005-06-01 | 2005-06-01 | 半導体装置 |
US11/443,348 US7301844B2 (en) | 2005-06-01 | 2006-05-31 | Semiconductor device |
TW095119383A TWI309417B (en) | 2005-06-01 | 2006-06-01 | Semiconductor device |
CN200610092362A CN100580805C (zh) | 2005-06-01 | 2006-06-01 | 半导体器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005160948A JP4524645B2 (ja) | 2005-06-01 | 2005-06-01 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006338759A true JP2006338759A (ja) | 2006-12-14 |
JP4524645B2 JP4524645B2 (ja) | 2010-08-18 |
Family
ID=37510137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005160948A Expired - Fee Related JP4524645B2 (ja) | 2005-06-01 | 2005-06-01 | 半導体装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7301844B2 (ja) |
JP (1) | JP4524645B2 (ja) |
CN (1) | CN100580805C (ja) |
TW (1) | TWI309417B (ja) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100820781B1 (ko) * | 2007-02-23 | 2008-04-11 | 주식회사 하이닉스반도체 | 비트라인 감지증폭기를 포함하는 반도체메모리소자 및구동방법 |
KR101879442B1 (ko) | 2011-05-25 | 2018-07-18 | 삼성전자주식회사 | 휘발성 메모리 장치의 리프레쉬 방법, 리프레쉬 어드레스 생성기 및 휘발성 메모리 장치 |
KR101975029B1 (ko) | 2012-05-17 | 2019-08-23 | 삼성전자주식회사 | 리프레쉬 주기를 조절하는 반도체 메모리 장치, 메모리 시스템 및 그 동작방법 |
US9324398B2 (en) | 2013-02-04 | 2016-04-26 | Micron Technology, Inc. | Apparatuses and methods for targeted refreshing of memory |
KR20140113191A (ko) | 2013-03-15 | 2014-09-24 | 삼성전자주식회사 | 반도체 메모리 장치 및 이의 리프레쉬 방법 |
CN104239220B (zh) * | 2013-06-13 | 2017-11-24 | 华为技术有限公司 | 存储器刷新处理方法和装置 |
WO2015004714A1 (ja) * | 2013-07-08 | 2015-01-15 | 株式会社 東芝 | 半導体記憶装置 |
US9368187B2 (en) | 2013-07-11 | 2016-06-14 | Qualcomm Incorporated | Insertion-override counter to support multiple memory refresh rates |
US9047978B2 (en) | 2013-08-26 | 2015-06-02 | Micron Technology, Inc. | Apparatuses and methods for selective row refreshes |
JP2015219938A (ja) | 2014-05-21 | 2015-12-07 | マイクロン テクノロジー, インク. | 半導体装置 |
JP2017182854A (ja) | 2016-03-31 | 2017-10-05 | マイクロン テクノロジー, インク. | 半導体装置 |
US10490251B2 (en) | 2017-01-30 | 2019-11-26 | Micron Technology, Inc. | Apparatuses and methods for distributing row hammer refresh events across a memory device |
US10580475B2 (en) | 2018-01-22 | 2020-03-03 | Micron Technology, Inc. | Apparatuses and methods for calculating row hammer refresh addresses in a semiconductor device |
WO2019222960A1 (en) | 2018-05-24 | 2019-11-28 | Micron Technology, Inc. | Apparatuses and methods for pure-time, self adopt sampling for row hammer refresh sampling |
US11152050B2 (en) | 2018-06-19 | 2021-10-19 | Micron Technology, Inc. | Apparatuses and methods for multiple row hammer refresh address sequences |
JP7098464B2 (ja) * | 2018-07-24 | 2022-07-11 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
KR102479500B1 (ko) * | 2018-08-09 | 2022-12-20 | 에스케이하이닉스 주식회사 | 메모리 장치, 메모리 시스템 및 그 메모리 장치의 리프레시 방법 |
US10685696B2 (en) | 2018-10-31 | 2020-06-16 | Micron Technology, Inc. | Apparatuses and methods for access based refresh timing |
CN113168861B (zh) | 2018-12-03 | 2024-05-14 | 美光科技公司 | 执行行锤刷新操作的半导体装置 |
CN117198356A (zh) | 2018-12-21 | 2023-12-08 | 美光科技公司 | 用于目标刷新操作的时序交错的设备和方法 |
US10770127B2 (en) | 2019-02-06 | 2020-09-08 | Micron Technology, Inc. | Apparatuses and methods for managing row access counts |
US11043254B2 (en) | 2019-03-19 | 2021-06-22 | Micron Technology, Inc. | Semiconductor device having cam that stores address signals |
US11227649B2 (en) | 2019-04-04 | 2022-01-18 | Micron Technology, Inc. | Apparatuses and methods for staggered timing of targeted refresh operations |
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US11139015B2 (en) | 2019-07-01 | 2021-10-05 | Micron Technology, Inc. | Apparatuses and methods for monitoring word line accesses |
US10832792B1 (en) | 2019-07-01 | 2020-11-10 | Micron Technology, Inc. | Apparatuses and methods for adjusting victim data |
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 |
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US11200942B2 (en) | 2019-08-23 | 2021-12-14 | Micron Technology, Inc. | Apparatuses and methods for lossy row access counting |
US11302377B2 (en) | 2019-10-16 | 2022-04-12 | Micron Technology, Inc. | Apparatuses and methods for dynamic targeted refresh steals |
US11309010B2 (en) | 2020-08-14 | 2022-04-19 | Micron Technology, Inc. | Apparatuses, systems, and methods for memory directed access pause |
US11380382B2 (en) | 2020-08-19 | 2022-07-05 | Micron Technology, Inc. | Refresh logic circuit layout having aggressor detector circuit sampling circuit and row hammer refresh control circuit |
US11348631B2 (en) | 2020-08-19 | 2022-05-31 | Micron Technology, Inc. | Apparatuses, systems, and methods for identifying victim rows in a memory device which cannot be simultaneously refreshed |
US11222682B1 (en) | 2020-08-31 | 2022-01-11 | Micron Technology, Inc. | Apparatuses and methods for providing refresh addresses |
US11557331B2 (en) | 2020-09-23 | 2023-01-17 | Micron Technology, Inc. | Apparatuses and methods for controlling refresh operations |
US11222686B1 (en) | 2020-11-12 | 2022-01-11 | Micron Technology, Inc. | Apparatuses and methods for controlling refresh timing |
US11462291B2 (en) | 2020-11-23 | 2022-10-04 | Micron Technology, Inc. | Apparatuses and methods for tracking word line accesses |
US11264079B1 (en) | 2020-12-18 | 2022-03-01 | Micron Technology, Inc. | Apparatuses and methods for row hammer based cache lockdown |
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 |
Citations (2)
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JPH1139861A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Corp | ダイナミック型半導体記憶装置 |
JP2001184865A (ja) * | 1999-12-21 | 2001-07-06 | Fujitsu Ltd | 半導体記憶装置 |
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JPH0410297A (ja) | 1990-04-26 | 1992-01-14 | Nec Corp | 半導体記憶装置 |
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JP2000057763A (ja) * | 1998-08-07 | 2000-02-25 | Mitsubishi Electric Corp | ダイナミック型半導体記憶装置 |
JP4707244B2 (ja) * | 2000-03-30 | 2011-06-22 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置および半導体装置 |
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JP4229674B2 (ja) * | 2002-10-11 | 2009-02-25 | Necエレクトロニクス株式会社 | 半導体記憶装置及びその制御方法 |
JP2005116106A (ja) | 2003-10-09 | 2005-04-28 | Elpida Memory Inc | 半導体記憶装置とその製造方法 |
KR100540488B1 (ko) * | 2003-10-31 | 2006-01-11 | 주식회사 하이닉스반도체 | 로우 경로 제어회로를 갖는 반도체 메모리 소자 및 그의구동방법 |
JP4534141B2 (ja) * | 2005-02-09 | 2010-09-01 | エルピーダメモリ株式会社 | 半導体記憶装置 |
JP4609813B2 (ja) * | 2005-05-18 | 2011-01-12 | エルピーダメモリ株式会社 | 半導体装置 |
-
2005
- 2005-06-01 JP JP2005160948A patent/JP4524645B2/ja not_active Expired - Fee Related
-
2006
- 2006-05-31 US US11/443,348 patent/US7301844B2/en not_active Expired - Fee Related
- 2006-06-01 TW TW095119383A patent/TWI309417B/zh not_active IP Right Cessation
- 2006-06-01 CN CN200610092362A patent/CN100580805C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1139861A (ja) * | 1997-07-16 | 1999-02-12 | Toshiba Corp | ダイナミック型半導体記憶装置 |
JP2001184865A (ja) * | 1999-12-21 | 2001-07-06 | Fujitsu Ltd | 半導体記憶装置 |
Also Published As
Publication number | Publication date |
---|---|
TWI309417B (en) | 2009-05-01 |
US7301844B2 (en) | 2007-11-27 |
CN1877737A (zh) | 2006-12-13 |
JP4524645B2 (ja) | 2010-08-18 |
TW200703335A (en) | 2007-01-16 |
CN100580805C (zh) | 2010-01-13 |
US20070008799A1 (en) | 2007-01-11 |
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