JP4792034B2 - 半導体装置およびその制御方法 - Google Patents
半導体装置およびその制御方法 Download PDFInfo
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- JP4792034B2 JP4792034B2 JP2007529423A JP2007529423A JP4792034B2 JP 4792034 B2 JP4792034 B2 JP 4792034B2 JP 2007529423 A JP2007529423 A JP 2007529423A JP 2007529423 A JP2007529423 A JP 2007529423A JP 4792034 B2 JP4792034 B2 JP 4792034B2
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- voltage
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- reference voltage
- memory cell
- semiconductor device
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- 239000004065 semiconductor Substances 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 16
- 239000003990 capacitor Substances 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- 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
- G11C5/147—Voltage reference generators, voltage or current regulators; Internally lowered supply levels; Compensation for voltage drops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Read Only Memory (AREA)
- Control Of Voltage And Current In General (AREA)
- Control Of Electrical Variables (AREA)
Description
Claims (10)
- 第1の電源と第2の電源との間に直列に接続した第1の抵抗部および第2の抵抗部と、
前記第1の抵抗部と前記第2の抵抗部との間に設けられた参照電圧を出力する出力ノードと、
前記第1の電源と前記第1の抵抗部との間に設けられたフィードバックノードと、
前記出力ノードの電圧と前記フィードバックノードの電圧とを用い前記フィードバックノードの電圧を一定に保持する電圧制御回路と、
前記出力ノードに接続するメモリセルと、
前記出力ノードに結合し、前記メモリセルを指定するアドレスのチェンジに応じ前記参照電圧の生成を開始させるスイッチとを具備する、半導体装置。 - 前記電圧制御回路は、前記出力ノードの電圧と前記フィードバックノードの電圧とを入力する差動増幅回路と、前記差動増幅回路の出力により、前記第1の電源と前記フィードバックノードとの間の電流を制御する電流制御回路を含む、請求項1に記載の半導体装置。
- 前記電流制御回路は、ゲートが前記差動増幅回路の出力に接続し、ソースおよびドレインが前記第1の電源および前記フィードバックノードに接続したFETを含む、請求項2に記載の半導体装置。
- 前記フィードバックノードの電圧は前記出力ノードと前記フィードバックノードとの電圧比に分圧され前記差動増幅回路に入力する、請求項2または3に記載の半導体装置。
- 前記第2の抵抗部は前記出力ノードから前記第2の電源方向に順方向であるダイオードである、請求項1から4のいずれか一項に記載の半導体装置。
- 前記参照電圧を用い、前記メモリセルに印加する電圧を生成する電圧生成回路を具備する、請求項1に記載の半導体装置。
- 前記参照電圧は前記メモリセルからデータを読み出す際用いられる、請求項1または6に記載の半導体装置。
- 第1の電源と第2の電源との間に直列に接続した第1の抵抗部および第2の抵抗部と、前記第1の抵抗部と前記第2の抵抗部との間に設けられ参照電圧を出力する出力ノードと、前記第1の抵抗部と前記第1の電源との間に設けられたフィードバックノードと、前記出力ノードに接続するメモリセルとを具備する半導体装置の制御方法において、
前記出力ノードの電圧と前記フィードバックノードの電圧とを用い前記フィードバックノードの電圧を一定に保持すべく制御するステップと、
前記出力ノードより参照電圧を出力するステップと、
前記出力ノードに結合し、前記メモリセルを指定するアドレスのチェンジに応じ前記参照電圧の生成を開始させるステップとを具備する、半導体装置の制御方法。 - 前記参照電圧を用い、メモリセルに印加する電圧を生成するステップを具備する、請求項8に記載の半導体装置の制御方法。
- 前記メモリセルからデータを読み出すステップを具備する、請求項8または9に記載の半導体装置の制御方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/014496 WO2007017926A1 (ja) | 2005-08-08 | 2005-08-08 | 半導体装置およびその制御方法 |
Publications (2)
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JPWO2007017926A1 JPWO2007017926A1 (ja) | 2009-02-19 |
JP4792034B2 true JP4792034B2 (ja) | 2011-10-12 |
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JP2007529423A Active JP4792034B2 (ja) | 2005-08-08 | 2005-08-08 | 半導体装置およびその制御方法 |
Country Status (3)
Country | Link |
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US (5) | US7606085B2 (ja) |
JP (1) | JP4792034B2 (ja) |
WO (1) | WO2007017926A1 (ja) |
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WO2007125590A1 (ja) * | 2006-04-28 | 2007-11-08 | Spansion Llc | 半導体装置およびその制御方法 |
US7724075B2 (en) * | 2006-12-06 | 2010-05-25 | Spansion Llc | Method to provide a higher reference voltage at a lower power supply in flash memory devices |
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CN103234316B (zh) * | 2013-03-29 | 2015-04-15 | 浙江大学 | 一种半导体制冷器温控装置 |
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US10819332B2 (en) | 2016-12-30 | 2020-10-27 | Delta Electronics, Inc. | Driving circuit of a power circuit and a package structure thereof |
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2005
- 2005-08-08 JP JP2007529423A patent/JP4792034B2/ja active Active
- 2005-08-08 WO PCT/JP2005/014496 patent/WO2007017926A1/ja active Application Filing
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2006
- 2006-08-08 US US11/501,449 patent/US7606085B2/en active Active
-
2009
- 2009-10-06 US US12/574,427 patent/US7898879B2/en active Active
- 2009-10-06 US US12/574,413 patent/US7957205B2/en active Active
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2011
- 2011-06-07 US US13/155,278 patent/US8379472B2/en active Active
-
2013
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JPS6228214U (ja) * | 1985-07-31 | 1987-02-20 | ||
JPH04306714A (ja) * | 1991-04-03 | 1992-10-29 | Nec Eng Ltd | 電流源 |
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Also Published As
Publication number | Publication date |
---|---|
US20070030740A1 (en) | 2007-02-08 |
US20100020598A1 (en) | 2010-01-28 |
WO2007017926A1 (ja) | 2007-02-15 |
US20110234856A1 (en) | 2011-09-29 |
US20130169841A1 (en) | 2013-07-04 |
US8699283B2 (en) | 2014-04-15 |
US7957205B2 (en) | 2011-06-07 |
US7606085B2 (en) | 2009-10-20 |
US7898879B2 (en) | 2011-03-01 |
US8379472B2 (en) | 2013-02-19 |
US20100020214A1 (en) | 2010-01-28 |
JPWO2007017926A1 (ja) | 2009-02-19 |
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