DE602005025135D1 - Spannungs-direktzugriffsspeicher (vram) - Google Patents
Spannungs-direktzugriffsspeicher (vram)Info
- Publication number
- DE602005025135D1 DE602005025135D1 DE602005025135T DE602005025135T DE602005025135D1 DE 602005025135 D1 DE602005025135 D1 DE 602005025135D1 DE 602005025135 T DE602005025135 T DE 602005025135T DE 602005025135 T DE602005025135 T DE 602005025135T DE 602005025135 D1 DE602005025135 D1 DE 602005025135D1
- Authority
- DE
- Germany
- Prior art keywords
- vram
- access memory
- voltage
- random access
- direct access
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/78—Simultaneous conversion using ladder network
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/78—Simultaneous conversion using ladder network
- H03M1/785—Simultaneous conversion using ladder network using resistors, i.e. R-2R ladders
-
- 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
- G11C11/41—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/412—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger using field-effect transistors only
-
- 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
- G11C11/41—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 static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/02—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding parasitic signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/662—Multiplexed conversion systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
- H03M1/682—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits both converters being of the unary decoded type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/76—Simultaneous conversion using switching tree
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/76—Simultaneous conversion using switching tree
- H03M1/765—Simultaneous conversion using switching tree using a single level of switches which are controlled by unary decoded digital signals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Static Random-Access Memory (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Vehicle Body Suspensions (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58561004P | 2004-07-06 | 2004-07-06 | |
PCT/US2005/024137 WO2006014558A2 (en) | 2004-07-06 | 2005-07-06 | Voltage random access memory (vram) |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005025135D1 true DE602005025135D1 (de) | 2011-01-13 |
Family
ID=35787653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005025135T Active DE602005025135D1 (de) | 2004-07-06 | 2005-07-06 | Spannungs-direktzugriffsspeicher (vram) |
Country Status (8)
Country | Link |
---|---|
US (3) | US7079067B2 (de) |
EP (1) | EP1784917B1 (de) |
JP (1) | JP5107036B2 (de) |
KR (1) | KR101185619B1 (de) |
AT (1) | ATE490602T1 (de) |
CA (1) | CA2573147C (de) |
DE (1) | DE602005025135D1 (de) |
WO (1) | WO2006014558A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5799751B2 (ja) * | 2011-01-31 | 2015-10-28 | ソニー株式会社 | 電圧発生回路、共振回路、通信装置、通信システム、ワイヤレス充電システム、電源装置、及び、電子機器 |
US9654136B1 (en) * | 2016-02-11 | 2017-05-16 | Qualcomm Incorporated | Segmented resistor digital-to-analog converter with resistor recycling |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5612121A (en) * | 1979-07-10 | 1981-02-06 | Sony Corp | D-a converter |
JPS5675726A (en) * | 1979-11-22 | 1981-06-23 | Sony Corp | D-a converter |
JPS5944125A (ja) * | 1982-09-07 | 1984-03-12 | Toshiba Corp | デジタル−アナログ変換器 |
JPS6037831A (ja) * | 1983-08-10 | 1985-02-27 | Hitachi Micro Comput Eng Ltd | D/a変換回路及びこれを用いた積分回路 |
EP0227165B1 (de) * | 1985-12-16 | 1992-09-09 | Koninklijke Philips Electronics N.V. | Schaltung zur Interpolation zwischen komplementären Spannungen |
JPH0824265B2 (ja) * | 1988-10-13 | 1996-03-06 | 松下電器産業株式会社 | D/a変換装置 |
JPH04103160A (ja) * | 1990-08-22 | 1992-04-06 | Ricoh Co Ltd | 抵抗回路 |
JPH0590967A (ja) * | 1991-09-25 | 1993-04-09 | Sharp Corp | デイジタル/アナログ変換器 |
US5218362A (en) * | 1992-07-02 | 1993-06-08 | National Semiconductor Corporation | Multistep analog-to-digital converter with embedded correction data memory for trimming resistor ladders |
US5258759A (en) * | 1992-10-16 | 1993-11-02 | California Institute Of Technology | Method and apparatus for monotonic algorithmic digital-to-analog and analog-to-digital conversion |
JPH06268523A (ja) * | 1993-03-16 | 1994-09-22 | Toshiba Corp | D/a変換器 |
DE69515036T2 (de) * | 1994-06-20 | 2000-07-13 | Daikin Ind Ltd | Verfahren zur herstellung von difluormethan |
US5579007A (en) * | 1994-07-07 | 1996-11-26 | Massachusetts Institute Of Technology | Charge-to-digital converter |
JP2882371B2 (ja) * | 1996-06-14 | 1999-04-12 | 日本電気株式会社 | 基準電圧発生回路 |
JPH1093436A (ja) * | 1996-09-19 | 1998-04-10 | Oki Electric Ind Co Ltd | デジタル・アナログ変換回路 |
US5969657A (en) * | 1997-07-22 | 1999-10-19 | Analog Devices, Inc. | Digital to analog converter |
AU4331899A (en) * | 1998-06-05 | 1999-12-20 | Lockheed Martin Corporation | Radiation hardened six transistor random access memory and memory device |
US5973985A (en) * | 1998-08-11 | 1999-10-26 | Stmicroelectronics, Inc. | Dual port SRAM cell having pseudo ground line or pseudo power line |
US6044010A (en) * | 1998-10-05 | 2000-03-28 | National Semiconductor Corporation | Five transistor SRAM cell |
US6246352B1 (en) * | 1999-07-30 | 2001-06-12 | Texas Instruments Incorporated | Analog-to-digital converter with flush access to digital-to-analog resistor string |
EP1104935A1 (de) * | 1999-12-01 | 2001-06-06 | STMicroelectronics S.r.l. | Integriertes Bauteil mit Trimmelementen |
US6201491B1 (en) * | 2000-01-26 | 2001-03-13 | Microchip Technology Incorporated | Digitally switched potentiometer having improved linearity and settling time |
JP3800925B2 (ja) * | 2000-05-15 | 2006-07-26 | 日本電気株式会社 | 磁気ランダムアクセスメモリ回路 |
JP4712204B2 (ja) * | 2001-03-05 | 2011-06-29 | ルネサスエレクトロニクス株式会社 | 記憶装置 |
GB0108656D0 (en) * | 2001-04-06 | 2001-05-30 | Koninkl Philips Electronics Nv | Digital to analogue converter |
JP2003309469A (ja) * | 2002-04-12 | 2003-10-31 | Thine Electronics Inc | 半導体集積回路 |
US6754123B2 (en) * | 2002-10-01 | 2004-06-22 | Hewlett-Packard Development Company, Lp. | Adjustable current mode differential amplifier for multiple bias point sensing of MRAM having diode isolation |
US6744659B1 (en) * | 2002-12-09 | 2004-06-01 | Analog Devices, Inc. | Source-biased memory cell array |
JP4629971B2 (ja) * | 2003-12-11 | 2011-02-09 | 株式会社半導体エネルギー研究所 | 非直線a/d変換されたデジタル信号対応のd/a変換回路及びそれを内蔵した音声信号処理回路及び表示装置 |
JP4376076B2 (ja) * | 2004-01-30 | 2009-12-02 | 富士通マイクロエレクトロニクス株式会社 | D/a変換器および半導体装置 |
-
2005
- 2005-07-06 CA CA2573147A patent/CA2573147C/en not_active Expired - Fee Related
- 2005-07-06 JP JP2007520504A patent/JP5107036B2/ja not_active Expired - Fee Related
- 2005-07-06 DE DE602005025135T patent/DE602005025135D1/de active Active
- 2005-07-06 WO PCT/US2005/024137 patent/WO2006014558A2/en active Application Filing
- 2005-07-06 KR KR1020077002830A patent/KR101185619B1/ko not_active IP Right Cessation
- 2005-07-06 EP EP05769296A patent/EP1784917B1/de not_active Not-in-force
- 2005-07-06 AT AT05769296T patent/ATE490602T1/de not_active IP Right Cessation
- 2005-07-06 US US11/175,897 patent/US7079067B2/en not_active Expired - Fee Related
-
2007
- 2007-01-04 US US11/649,704 patent/US20070216561A1/en not_active Abandoned
-
2008
- 2008-12-10 US US12/332,168 patent/US7705762B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP5107036B2 (ja) | 2012-12-26 |
US7079067B2 (en) | 2006-07-18 |
EP1784917A4 (de) | 2008-07-02 |
US20060017593A1 (en) | 2006-01-26 |
CA2573147A1 (en) | 2006-02-09 |
JP2008506218A (ja) | 2008-02-28 |
WO2006014558A2 (en) | 2006-02-09 |
EP1784917B1 (de) | 2010-12-01 |
US20070216561A1 (en) | 2007-09-20 |
US20090085787A1 (en) | 2009-04-02 |
WO2006014558A3 (en) | 2006-06-15 |
CA2573147C (en) | 2013-03-26 |
US7705762B2 (en) | 2010-04-27 |
KR101185619B1 (ko) | 2012-09-24 |
EP1784917A2 (de) | 2007-05-16 |
KR20070058447A (ko) | 2007-06-08 |
ATE490602T1 (de) | 2010-12-15 |
WO2006014558A9 (en) | 2007-03-08 |
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