JP2005222677A - 記憶回路、半導体装置、及び電子機器 - Google Patents
記憶回路、半導体装置、及び電子機器 Download PDFInfo
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- JP2005222677A JP2005222677A JP2004376530A JP2004376530A JP2005222677A JP 2005222677 A JP2005222677 A JP 2005222677A JP 2004376530 A JP2004376530 A JP 2004376530A JP 2004376530 A JP2004376530 A JP 2004376530A JP 2005222677 A JP2005222677 A JP 2005222677A
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- Prior art keywords
- ferroelectric capacitor
- terminal
- logic
- control signal
- capacitor
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
- G11C14/0054—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell
- G11C14/0072—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell and the nonvolatile element is a ferroelectric element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/045—Hoses, i.e. flexible pipes made of rubber or flexible plastics with four or more layers without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
- F16L1/065—Accessories therefor, e.g. anchors fixed on or to vehicles
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Static Random-Access Memory (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Abstract
【解決手段】
一端及び他端を有する第1の強誘電体キャパシタ及び第2の強誘電体キャパシタと、第1の強誘電体キャパシタの一端及び第2の強誘電体キャパシタの他端に電気的に接続された第1の接続部と、第1の強誘電体キャパシタの他端及び第2の強誘電体キャパシタの一端に電気的に接続された第2の接続部と、第1の強誘電体キャパシタの一端と第2の強誘電体キャパシタの一端との間に所定の電位差を与える電位差供給部とを備えた記憶回路。電位差供給部は、第1の端子及び第2の端子を有するフリップフロップを有することが好ましい。
【選択図】 図2
Description
Claims (7)
- 一端及び他端を有する第1の強誘電体キャパシタ及び第2の強誘電体キャパシタと、
前記第1の強誘電体キャパシタの前記一端及び前記第2の強誘電体キャパシタの前記他端に電気的に接続された第1の接続部と、
前記第1の強誘電体キャパシタの前記他端及び前記第2の強誘電体キャパシタの前記一端に電気的に接続された第2の接続部と、
前記第1の強誘電体キャパシタの前記一端と前記第2の強誘電体キャパシタの前記一端との間に所定の電位差を与える電位差供給部と
を備えたことを特徴とする記憶回路。 - 前記電位差供給部は、第1の端子及び第2の端子を有するフリップフロップを有しており、前記フリップフロップが、前記第1の端子と前記第2の端子との間に前記所定の電位差を設けることにより、前記第1の強誘電体キャパシタの前記一端と前記第2の強誘電体キャパシタの前記一端との間に前記所定の電位差を与えることを特徴とする請求項1に記載の記憶回路。
- 前記第1の接続部は、前記第1の強誘電体キャパシタの前記一端と前記第2の強誘電体キャパシタの前記他端との間に設けられた第1のスイッチを有し、
前記第2の接続部は、前記第1の強誘電体キャパシタの前記他端と前記第2の強誘電体キャパシタの前記一端との間に設けられた第2のスイッチを有する
ことを特徴とする請求項1又は2に記載の記憶回路。 - 前記電位差供給部は、前記第1の強誘電体キャパシタの前記一端と前記第2の強誘電体キャパシタの前記一端との間に所定の電位差を与えることにより、前記第1の強誘電体キャパシタ及び前記第2の強誘電体キャパシタにデータを書き込み、
当該記憶回路は、
前記第1の強誘電体キャパシタ及び前記第2の強誘電体キャパシタの容量に基づいて、前記第1の強誘電体キャパシタ及び前記第2の強誘電体キャパシタに書き込まれたデータを読み出す読み出し部と、
前記電位差供給部が前記第1の強誘電体キャパシタ及び前記第2の強誘電体キャパシタに前記データを書き込むときに前記第1のスイッチ及び前記第2のスイッチを導通させ、前記読み出し部が前記第1の強誘電体キャパシタ及び前記第2の強誘電体キャパシタに書き込まれた前記データを読み出すときに前記第1のスイッチ及び前記第2のスイッチを非導通とする制御部と
をさらに備えたことを特徴とする請求項3に記載の記憶回路。 - 前記第1の強誘電体キャパシタの前記他端及び前記第2の強誘電体キャパシタの前記他端の電位を略同電位とするディスチャージ部をさらに備えたことを特徴とする請求項1から4のいずれか1項に記載の記憶回路。
- 請求項1から5のいずれか1項に記載の記憶回路を備えたことを特徴とする半導体装置。
- 請求項6に記載の半導体装置を備えたことを特徴とする電子機器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004376530A JP3760470B2 (ja) | 2004-01-06 | 2004-12-27 | 記憶回路、半導体装置、及び電子機器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004001446 | 2004-01-06 | ||
JP2004376530A JP3760470B2 (ja) | 2004-01-06 | 2004-12-27 | 記憶回路、半導体装置、及び電子機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005222677A true JP2005222677A (ja) | 2005-08-18 |
JP3760470B2 JP3760470B2 (ja) | 2006-03-29 |
Family
ID=34709002
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004376530A Expired - Fee Related JP3760470B2 (ja) | 2004-01-06 | 2004-12-27 | 記憶回路、半導体装置、及び電子機器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7102909B2 (ja) |
JP (1) | JP3760470B2 (ja) |
KR (1) | KR100663214B1 (ja) |
CN (1) | CN100421173C (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8908406B2 (en) | 2011-06-09 | 2014-12-09 | Semiconductor Energy Laboratory Co., Ltd. | Cache memory and method for driving the same |
JP2017050549A (ja) * | 2010-08-06 | 2017-03-09 | 株式会社半導体エネルギー研究所 | 半導体装置 |
US12021530B2 (en) | 2010-08-06 | 2024-06-25 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor integrated circuit |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4264758B2 (ja) * | 2006-12-04 | 2009-05-20 | セイコーエプソン株式会社 | 強誘電体記憶装置および電子機器 |
US7916544B2 (en) | 2008-01-25 | 2011-03-29 | Micron Technology, Inc. | Random telegraph signal noise reduction scheme for semiconductor memories |
JP6012263B2 (ja) | 2011-06-09 | 2016-10-25 | 株式会社半導体エネルギー研究所 | 半導体記憶装置 |
JP6442321B2 (ja) * | 2014-03-07 | 2018-12-19 | 株式会社半導体エネルギー研究所 | 半導体装置及びその駆動方法、並びに電子機器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4809225A (en) | 1987-07-02 | 1989-02-28 | Ramtron Corporation | Memory cell with volatile and non-volatile portions having ferroelectric capacitors |
JP3813715B2 (ja) * | 1997-11-18 | 2006-08-23 | 株式会社東芝 | 半導体記憶装置及びそのデータ読み出し方法 |
DE19832993C1 (de) * | 1998-07-22 | 1999-11-04 | Siemens Ag | Resistive ferroelektrische Speicherzelle |
JP2000293989A (ja) * | 1999-04-07 | 2000-10-20 | Nec Corp | 強誘電体容量を用いたシャドーramセル及び不揮発性メモリ装置並びにその制御方法 |
US6147895A (en) * | 1999-06-04 | 2000-11-14 | Celis Semiconductor Corporation | Ferroelectric memory with two ferroelectric capacitors in memory cell and method of operating same |
JP3596746B2 (ja) * | 1999-09-28 | 2004-12-02 | ローム株式会社 | 強誘電体キャパシタおよびこれを用いた強誘電体メモリ |
JP3804907B2 (ja) | 1999-12-28 | 2006-08-02 | 富士通株式会社 | 半導体記憶装置 |
JP4064599B2 (ja) * | 2000-04-24 | 2008-03-19 | 沖電気工業株式会社 | 不揮発性半導体スイッチ回路 |
JP3646791B2 (ja) | 2001-10-19 | 2005-05-11 | 沖電気工業株式会社 | 強誘電体メモリ装置およびその動作方法 |
-
2004
- 2004-12-27 JP JP2004376530A patent/JP3760470B2/ja not_active Expired - Fee Related
- 2004-12-29 CN CNB2004101036488A patent/CN100421173C/zh not_active Expired - Fee Related
-
2005
- 2005-01-05 US US11/028,579 patent/US7102909B2/en not_active Expired - Fee Related
- 2005-01-05 KR KR1020050000736A patent/KR100663214B1/ko not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017050549A (ja) * | 2010-08-06 | 2017-03-09 | 株式会社半導体エネルギー研究所 | 半導体装置 |
JP2018029202A (ja) * | 2010-08-06 | 2018-02-22 | 株式会社半導体エネルギー研究所 | 半導体装置 |
JP2019050402A (ja) * | 2010-08-06 | 2019-03-28 | 株式会社半導体エネルギー研究所 | 半導体装置 |
US11177792B2 (en) | 2010-08-06 | 2021-11-16 | Semiconductor Energy Laboratory Co., Ltd. | Power supply semiconductor integrated memory control circuit |
US11677384B2 (en) | 2010-08-06 | 2023-06-13 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor integrated circuit with semiconductor layer having indium, zinc, and oxygen |
US12021530B2 (en) | 2010-08-06 | 2024-06-25 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor integrated circuit |
US8908406B2 (en) | 2011-06-09 | 2014-12-09 | Semiconductor Energy Laboratory Co., Ltd. | Cache memory and method for driving the same |
Also Published As
Publication number | Publication date |
---|---|
US20050146915A1 (en) | 2005-07-07 |
KR100663214B1 (ko) | 2007-01-02 |
US7102909B2 (en) | 2006-09-05 |
CN100421173C (zh) | 2008-09-24 |
CN1637934A (zh) | 2005-07-13 |
JP3760470B2 (ja) | 2006-03-29 |
KR20050072676A (ko) | 2005-07-12 |
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