JP5566568B2 - 電源電圧発生回路 - Google Patents
電源電圧発生回路 Download PDFInfo
- Publication number
- JP5566568B2 JP5566568B2 JP2007081754A JP2007081754A JP5566568B2 JP 5566568 B2 JP5566568 B2 JP 5566568B2 JP 2007081754 A JP2007081754 A JP 2007081754A JP 2007081754 A JP2007081754 A JP 2007081754A JP 5566568 B2 JP5566568 B2 JP 5566568B2
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- Prior art keywords
- power supply
- circuit
- booster
- supply voltage
- boosting
- 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.)
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/62—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using bucking or boosting dc sources
-
- 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
- G11C5/14—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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dc-Dc Converters (AREA)
- Dram (AREA)
- Read Only Memory (AREA)
Description
20 昇圧部
21a、21b 昇圧回路
22 信号供給回路
C1、C2 薄膜容量素子
N1〜N4、N11〜N16 Nchトランジスタ
P1、P11〜P14 Pchトランジスタ
S0〜S5 信号
SW1〜SW10 スイッチ素子
Claims (6)
- 第1の厚さであるゲート酸化膜を備えたMOSトランジスタで構成される容量素子を其々含む多段の昇圧回路から構成され、前記複数の容量素子のチャージポンピングによって昇圧電圧を発生して出力する昇圧部と、
前記MOSトランジスタで構成される容量素子の前記ゲート酸化膜の前記第1の厚さに対応する耐圧範囲内の電圧に外部電源の電圧を降圧して前記昇圧部の電源に与える電源降圧部と、
前記昇圧部の電源に前記外部電源を直接与えるか前記電源降圧部を介して与えるかを切り替えるスイッチ回路群と、
を備え、
前記昇圧部は、前記多段の昇圧回路における昇圧段数を、前記昇圧部に与えられる電源電圧に応じて前記スイッチ回路群によって切り替えるように構成されることを特徴とする電源電圧発生回路。 - 前記MOSトランジスタのゲート酸化膜の厚さを、前記昇圧部の出力を電源とする負荷回路に含まれるMOSトランジスタのゲート酸化膜の厚さより薄くなるように構成することを特徴とする請求項1記載の電源電圧発生回路。
- 前記昇圧部は、前段および後段の昇圧回路を含み、
前記前段の昇圧回路は、前記外部電源の電位の二倍の電位と接地電位との間の振幅を有する第1の昇圧信号を生成し、
前記後段の昇圧回路は、前記電源降圧部の出力電位と接地電位との間の振幅を有する第2の昇圧信号、または前記第1の昇圧信号を入力し、
前記スイッチ回路群は、前記昇圧部の電源の接続先を、前記外部電源または前記電源降圧部の出力に切り替える第1のスイッチ素子と、前記後段の昇圧回路の入力の接続先を、前記第1または第2の昇圧信号に切り替える第2のスイッチ素子と、を含み、
前記第1のスイッチ素子が前記外部電源に切り替えられているときに前記第2のスイッチ素子が前記第1の昇圧信号に切り替えられ、前記第1のスイッチ素子が前記電源降圧部の出力に切り替えられているときに前記第2のスイッチ素子が前記第2の昇圧信号に切り替えられることを特徴とする請求項2記載の電源電圧発生回路。 - 前記昇圧部に与えられる電源電圧に応じて前記スイッチ回路群によって切り替えられて前記多段の昇圧回路における昇圧動作に不要となった容量素子を、前記スイッチ回路群によって接続して前記電源降圧部の出力安定用の容量素子として機能させるように構成することを特徴とする請求項2記載の電源電圧発生回路。
- 前記スイッチ回路群は、メタルオプション、ヒューズオプションおよびボンディングオプションのいずれかによって制御されることを特徴とする請求項1、3、4のいずれか一に記載の電源電圧発生回路。
- 請求項1乃至5のいずれか一に記載の電源電圧発生回路と、前記昇圧部の出力を電源とする負荷回路とを備える半導体記憶装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081754A JP5566568B2 (ja) | 2007-03-27 | 2007-03-27 | 電源電圧発生回路 |
US12/052,422 US8493132B2 (en) | 2007-03-27 | 2008-03-20 | Supply voltage generating circuit |
US13/912,845 US8860499B2 (en) | 2007-03-27 | 2013-06-07 | Supply voltage generating circuit |
US14/480,768 US9207701B2 (en) | 2007-03-27 | 2014-09-09 | Supply voltage generating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081754A JP5566568B2 (ja) | 2007-03-27 | 2007-03-27 | 電源電圧発生回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008243281A JP2008243281A (ja) | 2008-10-09 |
JP5566568B2 true JP5566568B2 (ja) | 2014-08-06 |
Family
ID=39793238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007081754A Active JP5566568B2 (ja) | 2007-03-27 | 2007-03-27 | 電源電圧発生回路 |
Country Status (2)
Country | Link |
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US (3) | US8493132B2 (ja) |
JP (1) | JP5566568B2 (ja) |
Families Citing this family (11)
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TWI397248B (zh) * | 2009-06-22 | 2013-05-21 | Richtek Technology Corp | 多輸入電荷幫浦,其控制電路與操作方法 |
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KR102021415B1 (ko) * | 2012-12-14 | 2019-09-16 | 에스케이하이닉스 주식회사 | 전압 생성 회로 |
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JP2014187764A (ja) | 2013-03-22 | 2014-10-02 | Toshiba Corp | 電圧変換回路および切替制御回路 |
JP2017054574A (ja) * | 2015-09-11 | 2017-03-16 | 株式会社東芝 | 電圧発生回路及び半導体記憶装置 |
US10476382B2 (en) | 2016-03-03 | 2019-11-12 | The Regents Of The University Of Michigan | Energy harvester |
US9800143B2 (en) * | 2016-03-03 | 2017-10-24 | The Regents Of The University Of Michigan | Moving-sum charge pump |
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JP6773464B2 (ja) * | 2016-06-24 | 2020-10-21 | ラピスセミコンダクタ株式会社 | 電圧供給回路及び半導体記憶装置 |
TWI669714B (zh) * | 2018-05-29 | 2019-08-21 | 力旺電子股份有限公司 | 電壓控制裝置及記憶體系統 |
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2007
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2008
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2013
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2014
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Also Published As
Publication number | Publication date |
---|---|
US20080238536A1 (en) | 2008-10-02 |
JP2008243281A (ja) | 2008-10-09 |
US20140375369A1 (en) | 2014-12-25 |
US9207701B2 (en) | 2015-12-08 |
US20130265103A1 (en) | 2013-10-10 |
US8493132B2 (en) | 2013-07-23 |
US8860499B2 (en) | 2014-10-14 |
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