JP6792667B2 - 半導体記憶装置 - Google Patents
半導体記憶装置 Download PDFInfo
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- JP6792667B2 JP6792667B2 JP2019090612A JP2019090612A JP6792667B2 JP 6792667 B2 JP6792667 B2 JP 6792667B2 JP 2019090612 A JP2019090612 A JP 2019090612A JP 2019090612 A JP2019090612 A JP 2019090612A JP 6792667 B2 JP6792667 B2 JP 6792667B2
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- power
- circuit
- voltage
- detection circuit
- detection
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims description 157
- 230000015654 memory Effects 0.000 claims description 47
- 230000004044 response Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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
- G11C11/4063—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
- 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
- G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
- G11C16/225—Preventing erasure, programming or reading when power supply voltages are outside the required ranges
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
- G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
- G11C29/12005—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details comprising voltage or current generators
-
- 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
- G11C11/4072—Circuits for initialization, powering up or down, clearing memory or presetting
-
- 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
- G11C16/30—Power supply circuits
-
- 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
- G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
-
- 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
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C2029/5004—Voltage
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
- G11C2029/5006—Current
-
- 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
- G11C5/148—Details of power up or power down circuits, standby circuits or recovery circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Read Only Memory (AREA)
Description
120:入出力バッファ 130:アドレスレジスタ
140:コントローラ 150:ワード線選択回路
160:ページバッファ/センス回路 170:列選択回路
180:内部電圧発生回路 190:パワーオン検出部
200:パワーダウン検出部 210:低電力電圧検出部
220:高精度電圧検出回路 230:セレクタ
Claims (10)
- 供給電圧が一定電圧に降下したことを検出する第1の検出回路と、
第1の検出回路よりも高い検出精度を有し、供給電圧が一定電圧に降下したことを検出する第2の検出回路と、
内部回路が動作状態であるとき第2の検出回路を選択し、内部回路が待機状態であるとき第1の検出回路を選択する選択手段と、
第1の検出回路または第2の検出回路の検出結果に応答してパワーダウン動作を実行する実行手段と、
を有する半導体記憶装置。 - 前記第2の検出回路は、基準電圧を生成する基準電圧生成回路と、当該基準電圧と電源電圧とを比較する比較回路を含み、前記第1の検出回路は、基準電圧生成回路を含まない、請求項1に記載の半導体記憶装置。
- 前記動作状態は、外部からのコマンドに基づき内部回路が動作する状態を含み、前記待機状態は、外部からのコマンドを受け付け可能な状態を含む、請求項1または2に記載の半導体記憶装置。
- 前記動作状態は、フラッシュメモリのビジー状態であり、前記待機状態は、フラッシュメモリのレディ状態である、請求項1または3に記載の半導体記憶装置。
- 前記ビジー状態は、外部端子から出力されるビジー信号により規定され、前記レディ状態は、外部端子から出力されるレディ信号により規定される、請求項4に記載の半導体記憶装置。
- 前記選択手段は、前記内部回路が動作状態であり、かつ予め決められた特定の動作をするとき前記第2の検出回路を選択する、請求項1に記載の半導体記憶装置。
- 前記選択手段は、コントローラが実行する前記特定の動作に関する命令コードに応答して前記第2の検出回路を選択する、請求項6に記載の半導体記憶装置。
- 前記特定の動作は、チャージポンプ回路の動作である、請求項6または7に記載の半導体記憶装置。
- 前記特定の動作は、メモリセルアレイの選択ページの読出しを行うときのビット線のプリチャージ動作である、請求項6または7に記載の半導体記憶装置。
- 前記第1および第2の検出回路が検出する電圧レベルは、パワーアップ検出回路が検出する電圧レベルよりも低く、かつCMOSの動作可能な電圧レベルよりも高い、請求項1ないし9いずれか1つに記載の半導体記憶装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019090612A JP6792667B2 (ja) | 2019-05-13 | 2019-05-13 | 半導体記憶装置 |
CN202010371385.8A CN111933208B (zh) | 2019-05-13 | 2020-05-06 | 半导体存储装置 |
KR1020200054459A KR102298788B1 (ko) | 2019-05-13 | 2020-05-07 | 반도체 기억장치 |
US15/930,078 US10910036B2 (en) | 2019-05-13 | 2020-05-12 | Semiconductor memory device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019090612A JP6792667B2 (ja) | 2019-05-13 | 2019-05-13 | 半導体記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020187808A JP2020187808A (ja) | 2020-11-19 |
JP6792667B2 true JP6792667B2 (ja) | 2020-11-25 |
Family
ID=73221920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019090612A Active JP6792667B2 (ja) | 2019-05-13 | 2019-05-13 | 半導体記憶装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10910036B2 (ja) |
JP (1) | JP6792667B2 (ja) |
KR (1) | KR102298788B1 (ja) |
CN (1) | CN111933208B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6748760B1 (ja) * | 2019-05-13 | 2020-09-02 | ウィンボンド エレクトロニクス コーポレーション | 半導体記憶装置 |
US20230091623A1 (en) * | 2021-09-23 | 2023-03-23 | Nanya Technology Corporation | Defect inspecting method and system performing the same |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54162417A (en) * | 1978-06-14 | 1979-12-24 | Hitachi Ltd | Low voltage detector circuit |
KR100234389B1 (ko) * | 1996-09-13 | 1999-12-15 | 윤종용 | 전압 검출 회로 |
JPH10149699A (ja) * | 1996-11-18 | 1998-06-02 | Mitsubishi Electric Corp | 半導体回路装置 |
KR100259341B1 (ko) * | 1997-05-31 | 2000-06-15 | 김영환 | 파워다운 제어장치 |
US6031755A (en) * | 1998-03-25 | 2000-02-29 | Rohm Co., Ltd. | Non-volatile semiconductor memory device and its testing method |
JP2001035193A (ja) * | 1999-07-16 | 2001-02-09 | Mitsubishi Electric Corp | 半導体記憶装置 |
US6249473B1 (en) * | 2000-02-21 | 2001-06-19 | Vanguard International Semiconductor Corporation | Power down system for regulated internal voltage supply in DRAM |
US6560158B2 (en) * | 2001-04-27 | 2003-05-06 | Samsung Electronics Co., Ltd. | Power down voltage control method and apparatus |
JP5041631B2 (ja) * | 2001-06-15 | 2012-10-03 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置 |
JP3822532B2 (ja) * | 2001-06-29 | 2006-09-20 | 株式会社東芝 | 半導体記憶装置 |
KR100408723B1 (ko) * | 2001-12-21 | 2003-12-11 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 파워-업 신호 발생장치 |
JP3933467B2 (ja) * | 2001-12-27 | 2007-06-20 | 株式会社東芝 | 電圧検出回路制御装置、同装置を有するメモリー制御装置及び同装置を有するメモリーカード |
US7143298B2 (en) | 2002-04-18 | 2006-11-28 | Ge Fanuc Automation North America, Inc. | Methods and apparatus for backing up a memory device |
KR100551074B1 (ko) * | 2003-12-30 | 2006-02-10 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 파워업 회로 |
JP4504108B2 (ja) * | 2004-06-15 | 2010-07-14 | 富士通セミコンダクター株式会社 | リセット回路 |
JP4284247B2 (ja) | 2004-08-13 | 2009-06-24 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US7372746B2 (en) * | 2005-08-17 | 2008-05-13 | Micron Technology, Inc. | Low voltage sensing scheme having reduced active power down standby current |
US7573735B2 (en) * | 2006-09-08 | 2009-08-11 | Kabushiki Kaisha Toshiba | Systems and methods for improving memory reliability |
US7577053B2 (en) * | 2006-11-13 | 2009-08-18 | Qimonda North America Corp. | Memory including deep power down mode |
KR100816162B1 (ko) * | 2007-01-23 | 2008-03-21 | 주식회사 하이닉스반도체 | 낸드 플래시 메모리 장치 및 셀 특성 개선 방법 |
TWI473115B (zh) | 2008-01-10 | 2015-02-11 | Winbond Electronics Corp | 記憶體及其電壓監控裝置 |
KR101124318B1 (ko) * | 2010-03-26 | 2012-03-27 | 주식회사 하이닉스반도체 | 전기적 퓨즈 회로 및 구동 방법 |
JP5085744B2 (ja) * | 2011-01-05 | 2012-11-28 | 株式会社東芝 | 半導体記憶装置 |
KR101984901B1 (ko) * | 2012-05-17 | 2019-05-31 | 삼성전자 주식회사 | 자기 메모리 셀을 갖는 반도체 메모리 장치 및 이를 포함하는 메모리 시스템 |
KR102084547B1 (ko) * | 2013-01-18 | 2020-03-05 | 삼성전자주식회사 | 비휘발성 메모리 장치, 그것을 포함하는 메모리 시스템, 및 그것의 외부 전원 제어 방법 |
US9036445B1 (en) * | 2014-02-06 | 2015-05-19 | SK Hynix Inc. | Semiconductor devices |
KR20170006980A (ko) * | 2015-07-10 | 2017-01-18 | 에스케이하이닉스 주식회사 | 파워 온 리셋 회로 및 이를 포함하는 반도체 메모리 장치 |
JP6494139B1 (ja) | 2018-01-11 | 2019-04-03 | ウィンボンド エレクトロニクス コーポレーション | 半導体記憶装置 |
CN107993685A (zh) | 2018-01-12 | 2018-05-04 | 厦门理工学院 | 一种用于阻变存储器的双参考源的自调谐写驱动电路 |
JP6748760B1 (ja) * | 2019-05-13 | 2020-09-02 | ウィンボンド エレクトロニクス コーポレーション | 半導体記憶装置 |
-
2019
- 2019-05-13 JP JP2019090612A patent/JP6792667B2/ja active Active
-
2020
- 2020-05-06 CN CN202010371385.8A patent/CN111933208B/zh active Active
- 2020-05-07 KR KR1020200054459A patent/KR102298788B1/ko active IP Right Grant
- 2020-05-12 US US15/930,078 patent/US10910036B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR102298788B1 (ko) | 2021-09-07 |
KR20200131747A (ko) | 2020-11-24 |
CN111933208A (zh) | 2020-11-13 |
US10910036B2 (en) | 2021-02-02 |
JP2020187808A (ja) | 2020-11-19 |
US20200365198A1 (en) | 2020-11-19 |
CN111933208B (zh) | 2023-05-16 |
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