CN1306699C - 时钟和数据恢复电路 - Google Patents
时钟和数据恢复电路 Download PDFInfo
- Publication number
- CN1306699C CN1306699C CNB2004100493664A CN200410049366A CN1306699C CN 1306699 C CN1306699 C CN 1306699C CN B2004100493664 A CNB2004100493664 A CN B2004100493664A CN 200410049366 A CN200410049366 A CN 200410049366A CN 1306699 C CN1306699 C CN 1306699C
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- mentioned
- clock
- signal
- control signal
- phase
- 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.)
- Expired - Fee Related
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- 238000011084 recovery Methods 0.000 title claims abstract description 57
- 230000001360 synchronised effect Effects 0.000 claims abstract description 46
- 230000000630 rising effect Effects 0.000 claims description 83
- 230000000052 comparative effect Effects 0.000 claims description 34
- 230000004913 activation Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 16
- 230000033228 biological regulation Effects 0.000 claims description 14
- 238000001228 spectrum Methods 0.000 claims description 14
- 230000010354 integration Effects 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 description 22
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 14
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 14
- 230000009471 action Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 102100040856 Dual specificity protein kinase CLK3 Human genes 0.000 description 5
- 101000749304 Homo sapiens Dual specificity protein kinase CLK3 Proteins 0.000 description 5
- 102100040858 Dual specificity protein kinase CLK4 Human genes 0.000 description 4
- 101000749298 Homo sapiens Dual specificity protein kinase CLK4 Proteins 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 108010063993 lens intrinsic protein MP 64 Proteins 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 101100328957 Caenorhabditis elegans clk-1 gene Proteins 0.000 description 2
- 102100040844 Dual specificity protein kinase CLK2 Human genes 0.000 description 2
- 101000749291 Homo sapiens Dual specificity protein kinase CLK2 Proteins 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
- H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
- H04L7/0025—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of clock signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (40)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP166712/2003 | 2003-06-11 | ||
JP2003166712A JP4335586B2 (ja) | 2003-06-11 | 2003-06-11 | クロックアンドデータリカバリ回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1574629A CN1574629A (zh) | 2005-02-02 |
CN1306699C true CN1306699C (zh) | 2007-03-21 |
Family
ID=33508918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100493664A Expired - Fee Related CN1306699C (zh) | 2003-06-11 | 2004-06-11 | 时钟和数据恢复电路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7336754B2 (zh) |
JP (1) | JP4335586B2 (zh) |
KR (1) | KR100642891B1 (zh) |
CN (1) | CN1306699C (zh) |
TW (1) | TWI285025B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI774994B (zh) * | 2018-10-25 | 2022-08-21 | 美商達爾科技股份有限公司 | 多路徑時脈及資料回復 |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1385307B1 (en) * | 2002-07-22 | 2007-03-28 | Texas Instruments Limited | Method and apparatus for synchronising multiple serial datastreams in parallel |
KR100543465B1 (ko) * | 2003-08-04 | 2006-01-20 | 고려대학교 산학협력단 | 지연된 클록 신호를 발생하는 장치 및 방법 |
US7697651B2 (en) * | 2004-06-30 | 2010-04-13 | Intel Corporation | Lock system and method for interpolator based receivers |
US7038510B2 (en) * | 2004-07-02 | 2006-05-02 | Broadcom Corporation | Phase adjustment method and circuit for DLL-based serial data link transceivers |
JP4657662B2 (ja) * | 2004-09-10 | 2011-03-23 | ルネサスエレクトロニクス株式会社 | クロックアンドデータリカバリ回路 |
US7680232B2 (en) * | 2005-01-21 | 2010-03-16 | Altera Corporation | Method and apparatus for multi-mode clock data recovery |
US7664204B1 (en) | 2005-03-10 | 2010-02-16 | Marvell International Ltd. | Adaptive timing using clock recovery |
US7681063B2 (en) * | 2005-03-30 | 2010-03-16 | Infineon Technologies Ag | Clock data recovery circuit with circuit loop disablement |
JP2007036869A (ja) * | 2005-07-28 | 2007-02-08 | Nec Electronics Corp | シリアルパラレル変換、パラレルシリアル変換、fifo一体回路 |
KR100633774B1 (ko) * | 2005-08-24 | 2006-10-16 | 삼성전자주식회사 | 넓은 위상 여유를 가지는 클럭 및 데이터 리커버리 회로 |
US8223798B2 (en) * | 2005-10-07 | 2012-07-17 | Csr Technology Inc. | Adaptive receiver |
US8000423B2 (en) * | 2005-10-07 | 2011-08-16 | Zoran Corporation | Adaptive sample rate converter |
US7411429B2 (en) * | 2005-10-28 | 2008-08-12 | Silicon Integrated Systems Corp. | System and method for clock switching |
KR100656370B1 (ko) | 2005-12-05 | 2006-12-11 | 한국전자통신연구원 | 위상 보간 클럭을 이용한 데이터 복원 장치 및 방법 |
JP2007184847A (ja) | 2006-01-10 | 2007-07-19 | Nec Electronics Corp | クロックアンドデータリカバリ回路及びserdes回路 |
JP4749168B2 (ja) * | 2006-02-01 | 2011-08-17 | ルネサスエレクトロニクス株式会社 | クロックアンドデータリカバリ回路 |
DE102006031331B3 (de) * | 2006-07-06 | 2008-01-10 | Xignal Technologies Ag | Digitaler Phasendetektor und Verfahren zur Erzeugung eines digitalen Phasendetektionssignals |
KR101297710B1 (ko) * | 2006-08-10 | 2013-08-20 | 삼성전자주식회사 | 낮은 지터 스프레드 스펙트럼 클럭 발생기 |
US8122275B2 (en) * | 2006-08-24 | 2012-02-21 | Altera Corporation | Write-leveling implementation in programmable logic devices |
JP2008175646A (ja) | 2007-01-17 | 2008-07-31 | Nec Electronics Corp | 半導体装置、半導体装置のテスト回路、及び試験方法 |
JP4971861B2 (ja) * | 2007-04-13 | 2012-07-11 | ルネサスエレクトロニクス株式会社 | クロックアンドデータリカバリ回路 |
JP2008263508A (ja) | 2007-04-13 | 2008-10-30 | Nec Electronics Corp | クロックアンドデータリカバリ回路 |
JP2008301337A (ja) | 2007-06-01 | 2008-12-11 | Nec Electronics Corp | 入出力回路 |
US8315349B2 (en) * | 2007-10-31 | 2012-11-20 | Diablo Technologies Inc. | Bang-bang phase detector with sub-rate clock |
CN101946219B (zh) * | 2008-02-20 | 2013-03-20 | 惠普开发有限公司 | 具有两个参考时钟的转接驱动器及其操作方法 |
US8116418B2 (en) * | 2008-05-08 | 2012-02-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | Fast locking clock and data recovery |
CN101726728B (zh) * | 2008-10-30 | 2012-08-22 | 北京时代之峰科技有限公司 | 一种时钟相位合成计数方法及装置 |
KR101037432B1 (ko) * | 2009-03-05 | 2011-05-30 | 전자부품연구원 | 자기장 통신 네트워크를 위한 무선 통신 방법 및 코디네이터의 복조 장치 |
JP5365323B2 (ja) * | 2009-04-20 | 2013-12-11 | ソニー株式会社 | クロックデータリカバリ回路および逓倍クロック生成回路 |
JPWO2011004580A1 (ja) | 2009-07-06 | 2012-12-20 | パナソニック株式会社 | クロックデータリカバリ回路 |
JP5300671B2 (ja) * | 2009-09-14 | 2013-09-25 | 株式会社東芝 | クロックリカバリ回路およびデータ再生回路 |
JP5558079B2 (ja) * | 2009-11-06 | 2014-07-23 | 株式会社東芝 | 磁気共鳴画像診断装置 |
JP2011120106A (ja) | 2009-12-04 | 2011-06-16 | Rohm Co Ltd | クロックデータリカバリ回路 |
DE102010005276B4 (de) * | 2010-01-21 | 2019-02-28 | Texas Instruments Deutschland Gmbh | Elektronische Vorrichtung zur Steuerung eines Frequenzmodulationsindexes und Verfahren zur Frequenzmodulation |
KR101002242B1 (ko) | 2010-04-11 | 2010-12-20 | 인하대학교 산학협력단 | 쿼터-레이트 선형 위상 검출기를 이용한 듀얼 레이트 클록 및 데이터 복원 회로 |
US8488657B2 (en) * | 2010-06-04 | 2013-07-16 | Maxim Integrated Products, Inc. | Data interface with delay locked loop for high speed digital to analog converters and analog to digital converters |
JP2013102372A (ja) | 2011-11-09 | 2013-05-23 | Renesas Electronics Corp | クロックデータリカバリ回路およびそれを内蔵する送受信半導体集積回路 |
CN103107807B (zh) * | 2011-11-09 | 2015-07-08 | 财团法人成大研究发展基金会 | 频率与数据回复架构及其相位检测器 |
US8664983B1 (en) * | 2012-03-22 | 2014-03-04 | Altera Corporation | Priority control phase shifts for clock signals |
CN102723955A (zh) * | 2012-05-23 | 2012-10-10 | 常州芯奇微电子科技有限公司 | 时钟的数据恢复电路 |
JP5926125B2 (ja) | 2012-06-08 | 2016-05-25 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US8525562B1 (en) * | 2012-08-28 | 2013-09-03 | DS Zodiac, Inc. | Systems and methods for providing a clock signal using analog recursion |
US8610476B1 (en) * | 2012-09-14 | 2013-12-17 | Altera Corporation | Apparatus and methods for lock detection for semi-digital and fully-digital clock data recovery |
TWI513193B (zh) * | 2012-11-30 | 2015-12-11 | Global Unichip Corp | 相位偏移抵消電路及相關的時脈產生器 |
US8754678B1 (en) * | 2013-03-15 | 2014-06-17 | Analog Devices, Inc. | Apparatus and methods for invertible sine-shaping for phase interpolation |
US8922264B1 (en) * | 2013-04-26 | 2014-12-30 | Altera Corporation | Methods and apparatus for clock tree phase alignment |
TWI555338B (zh) * | 2014-11-14 | 2016-10-21 | 円星科技股份有限公司 | 相位偵測器及相關的相位偵測方法 |
CN105591648B (zh) * | 2014-11-18 | 2018-09-18 | 円星科技股份有限公司 | 相位侦测器及相关的相位侦测方法 |
KR20160113341A (ko) * | 2015-03-18 | 2016-09-29 | 에스케이하이닉스 주식회사 | 위상 보간 회로, 이를 포함하는 클럭 데이터 복원 회로 및 위상 보간 방법 |
TWI554037B (zh) * | 2015-04-16 | 2016-10-11 | 群聯電子股份有限公司 | 時脈資料回復電路模組、記憶體儲存裝置及相位鎖定方法 |
CN106330140B (zh) * | 2015-07-02 | 2019-08-09 | 创意电子股份有限公司 | 相位内插器及时脉与数据恢复电路 |
US9485080B1 (en) * | 2015-09-01 | 2016-11-01 | Qualcomm Incorporated | Multiphase clock data recovery circuit calibration |
US9853807B2 (en) * | 2016-04-21 | 2017-12-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Automatic detection of change in PLL locking trend |
CN106026991B (zh) * | 2016-05-06 | 2018-08-10 | 龙迅半导体(合肥)股份有限公司 | 一种相位插值器及其控制方法 |
CN106067814B (zh) * | 2016-06-02 | 2018-12-07 | 中国科学技术大学先进技术研究院 | 一种低噪声高精度的宽带多相时钟产生器 |
US9960774B2 (en) | 2016-07-07 | 2018-05-01 | Samsung Display Co., Ltd. | Spread spectrum clocking phase error cancellation for analog CDR/PLL |
US10177773B2 (en) | 2016-10-19 | 2019-01-08 | Stmicroelectronics International N.V. | Programmable clock divider |
JP6312772B1 (ja) * | 2016-10-20 | 2018-04-18 | ファナック株式会社 | 位相差推定装置及びその位相差推定装置を備えた通信機器 |
JP6819327B2 (ja) * | 2017-02-03 | 2021-01-27 | 富士通株式会社 | クロック生成回路、シリアル・パラレル変換回路及び情報処理装置 |
KR20180092512A (ko) * | 2017-02-09 | 2018-08-20 | 에스케이하이닉스 주식회사 | 내부클럭생성회로 |
US11349523B2 (en) * | 2017-08-10 | 2022-05-31 | Intel Corporation | Spread-spectrum modulated clock signal |
US10291389B1 (en) * | 2018-03-16 | 2019-05-14 | Stmicroelectronics International N.V. | Two-point modulator with matching gain calibration |
CN110797077B (zh) * | 2019-10-28 | 2022-01-04 | 中国科学院微电子研究所 | 存储器芯片及其数据处理电路和数据处理方法 |
CN116192145A (zh) * | 2022-12-13 | 2023-05-30 | 辰芯半导体(深圳)有限公司 | 可连续检测的双限adc及电源管理芯片 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012494A (en) * | 1989-11-07 | 1991-04-30 | Hewlett-Packard Company | Method and apparatus for clock recovery and data retiming for random NRZ data |
US5384552A (en) * | 1992-11-25 | 1995-01-24 | Nec Corporation | Clock recovery circuit for extracting clock information from a received baseband signal |
JPH11317729A (ja) * | 1998-05-06 | 1999-11-16 | Sony Corp | クロックデータリカバリ回路 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3432373B2 (ja) * | 1996-11-14 | 2003-08-04 | 株式会社東芝 | ディジタル位相同期方法及びその装置 |
JP3337997B2 (ja) * | 1999-03-29 | 2002-10-28 | 松下電器産業株式会社 | 周波数検出型位相同期回路 |
JP3292188B2 (ja) | 1999-11-10 | 2002-06-17 | 日本電気株式会社 | Pll回路 |
JP3495311B2 (ja) * | 2000-03-24 | 2004-02-09 | Necエレクトロニクス株式会社 | クロック制御回路 |
US6937685B2 (en) * | 2000-11-13 | 2005-08-30 | Primarion, Inc. | Apparatus and method for counting high-speed early/late pulses from a high speed phase detector using a pulse accumulator |
JP3636657B2 (ja) * | 2000-12-21 | 2005-04-06 | Necエレクトロニクス株式会社 | クロックアンドデータリカバリ回路とそのクロック制御方法 |
US7050775B2 (en) * | 2002-07-11 | 2006-05-23 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for securely enabling a radio communication unit from standby mode |
JP4093826B2 (ja) * | 2002-08-27 | 2008-06-04 | 富士通株式会社 | クロック発生装置 |
-
2003
- 2003-06-11 JP JP2003166712A patent/JP4335586B2/ja not_active Expired - Lifetime
-
2004
- 2004-06-02 KR KR1020040039927A patent/KR100642891B1/ko not_active IP Right Cessation
- 2004-06-07 US US10/861,355 patent/US7336754B2/en active Active
- 2004-06-11 TW TW093116847A patent/TWI285025B/zh not_active IP Right Cessation
- 2004-06-11 CN CNB2004100493664A patent/CN1306699C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012494A (en) * | 1989-11-07 | 1991-04-30 | Hewlett-Packard Company | Method and apparatus for clock recovery and data retiming for random NRZ data |
US5384552A (en) * | 1992-11-25 | 1995-01-24 | Nec Corporation | Clock recovery circuit for extracting clock information from a received baseband signal |
JPH11317729A (ja) * | 1998-05-06 | 1999-11-16 | Sony Corp | クロックデータリカバリ回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI774994B (zh) * | 2018-10-25 | 2022-08-21 | 美商達爾科技股份有限公司 | 多路徑時脈及資料回復 |
Also Published As
Publication number | Publication date |
---|---|
CN1574629A (zh) | 2005-02-02 |
US7336754B2 (en) | 2008-02-26 |
TW200503423A (en) | 2005-01-16 |
JP4335586B2 (ja) | 2009-09-30 |
KR100642891B1 (ko) | 2006-11-03 |
TWI285025B (en) | 2007-08-01 |
US20040252804A1 (en) | 2004-12-16 |
JP2005005999A (ja) | 2005-01-06 |
KR20040106220A (ko) | 2004-12-17 |
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