CN1870430A - 占空比校正器 - Google Patents
占空比校正器 Download PDFInfo
- Publication number
- CN1870430A CN1870430A CNA2006100673581A CN200610067358A CN1870430A CN 1870430 A CN1870430 A CN 1870430A CN A2006100673581 A CNA2006100673581 A CN A2006100673581A CN 200610067358 A CN200610067358 A CN 200610067358A CN 1870430 A CN1870430 A CN 1870430A
- Authority
- CN
- China
- Prior art keywords
- clock signal
- pulse
- delay
- signal
- inversion
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
- H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Dram (AREA)
- Pulse Circuits (AREA)
Abstract
Description
Claims (31)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/048185 | 2005-02-01 | ||
US11/048,185 US7221204B2 (en) | 2005-02-01 | 2005-02-01 | Duty cycle corrector |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1870430A true CN1870430A (zh) | 2006-11-29 |
CN1870430B CN1870430B (zh) | 2010-05-12 |
Family
ID=36709885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100673581A Expired - Fee Related CN1870430B (zh) | 2005-02-01 | 2006-01-28 | 占空比校正器及校正占空比的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7221204B2 (zh) |
CN (1) | CN1870430B (zh) |
DE (1) | DE102006002473B4 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101227184B (zh) * | 2008-02-19 | 2011-06-22 | 东南大学 | 高速占空比校准电路 |
CN101645702B (zh) * | 2009-08-03 | 2011-11-02 | 四川和芯微电子股份有限公司 | 占空比调节方法和电路 |
CN112383290A (zh) * | 2020-11-26 | 2021-02-19 | 海光信息技术股份有限公司 | 时钟占空比校准电路及方法、正交相位校准电路及方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100701704B1 (ko) * | 2006-01-12 | 2007-03-29 | 주식회사 하이닉스반도체 | 듀티 교정 회로 |
KR100829453B1 (ko) * | 2006-08-11 | 2008-05-15 | 주식회사 하이닉스반도체 | Dll 회로의 기준 클럭 생성 장치 및 방법 |
JP2008160610A (ja) * | 2006-12-26 | 2008-07-10 | Nec Electronics Corp | クロックデューティ変更回路 |
KR100942977B1 (ko) * | 2008-05-19 | 2010-02-17 | 주식회사 하이닉스반도체 | 듀티비 보정회로 |
CN105261389B (zh) * | 2015-11-16 | 2019-05-17 | 西安紫光国芯半导体有限公司 | 提高输入时钟占空比免疫力的方法、电路及dram存储器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9308944D0 (en) * | 1993-04-30 | 1993-06-16 | Inmos Ltd | Ring oscillator |
US5475322A (en) * | 1993-10-12 | 1995-12-12 | Wang Laboratories, Inc. | Clock frequency multiplying and squaring circuit and method |
KR100393317B1 (ko) | 1994-02-15 | 2003-10-23 | 람버스 인코포레이티드 | 지연동기루프 |
US5945857A (en) | 1998-02-13 | 1999-08-31 | Lucent Technologies, Inc. | Method and apparatus for duty-cycle correction |
KR100366618B1 (ko) | 2000-03-31 | 2003-01-09 | 삼성전자 주식회사 | 클럭 신호의 듀티 사이클을 보정하는 지연 동기 루프 회로및 지연 동기 방법 |
US6424178B1 (en) | 2000-08-30 | 2002-07-23 | Micron Technology, Inc. | Method and system for controlling the duty cycle of a clock signal |
US20030052719A1 (en) * | 2001-09-20 | 2003-03-20 | Na Kwang Jin | Digital delay line and delay locked loop using the digital delay line |
KR100424180B1 (ko) * | 2001-12-21 | 2004-03-24 | 주식회사 하이닉스반도체 | 듀티 사이클 보상 기능을 갖는 지연 고정 루프 회로 |
KR100486256B1 (ko) * | 2002-09-04 | 2005-05-03 | 삼성전자주식회사 | 듀티사이클 보정회로를 구비하는 반도체 메모리 장치 및상기 반도체 메모리 장치에서 클럭신호를 보간하는 회로 |
US6967514B2 (en) | 2002-10-21 | 2005-11-22 | Rambus, Inc. | Method and apparatus for digital duty cycle adjustment |
CN1209875C (zh) * | 2002-10-30 | 2005-07-06 | 威盛电子股份有限公司 | 可调整占空比的缓冲器及其操作方法 |
JP4015937B2 (ja) * | 2002-12-06 | 2007-11-28 | 松下電器産業株式会社 | デューティ比補正回路 |
KR100560660B1 (ko) | 2003-03-28 | 2006-03-16 | 삼성전자주식회사 | 듀티 사이클 보정을 위한 장치 및 방법 |
DE10320794B3 (de) * | 2003-04-30 | 2004-11-04 | Infineon Technologies Ag | Vorrichtung und Verfahren zur Korrektur des Tastverhältnisses eines Taktsignals |
US7187221B2 (en) * | 2004-06-30 | 2007-03-06 | Infineon Technologies Ag | Digital duty cycle corrector |
-
2005
- 2005-02-01 US US11/048,185 patent/US7221204B2/en not_active Expired - Fee Related
-
2006
- 2006-01-18 DE DE102006002473A patent/DE102006002473B4/de not_active Expired - Fee Related
- 2006-01-28 CN CN2006100673581A patent/CN1870430B/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101227184B (zh) * | 2008-02-19 | 2011-06-22 | 东南大学 | 高速占空比校准电路 |
CN101645702B (zh) * | 2009-08-03 | 2011-11-02 | 四川和芯微电子股份有限公司 | 占空比调节方法和电路 |
CN112383290A (zh) * | 2020-11-26 | 2021-02-19 | 海光信息技术股份有限公司 | 时钟占空比校准电路及方法、正交相位校准电路及方法 |
CN112383290B (zh) * | 2020-11-26 | 2023-10-13 | 海光信息技术股份有限公司 | 时钟占空比校准电路及方法、正交相位校准电路及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1870430B (zh) | 2010-05-12 |
US7221204B2 (en) | 2007-05-22 |
DE102006002473B4 (de) | 2011-02-17 |
DE102006002473A1 (de) | 2006-08-10 |
US20060170474A1 (en) | 2006-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120917 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20160128 |
|
EXPY | Termination of patent right or utility model |