DE69022878T2 - Verfahren eingebauter Fensterabtastung für einen Datensynchronisierer. - Google Patents
Verfahren eingebauter Fensterabtastung für einen Datensynchronisierer.Info
- Publication number
- DE69022878T2 DE69022878T2 DE69022878T DE69022878T DE69022878T2 DE 69022878 T2 DE69022878 T2 DE 69022878T2 DE 69022878 T DE69022878 T DE 69022878T DE 69022878 T DE69022878 T DE 69022878T DE 69022878 T2 DE69022878 T2 DE 69022878T2
- Authority
- DE
- Germany
- Prior art keywords
- built
- data synchronizer
- window scanning
- scanning
- window
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
-
- 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
- H03L7/0891—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 the up-down pulses controlling source and sink current generators, e.g. a charge pump
-
- 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
-
- 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
- H04L7/0338—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals the correction of the phase error being performed by a feed forward loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/354,058 US5097489A (en) | 1989-05-19 | 1989-05-19 | Method for incorporating window strobe in a data synchronizer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69022878D1 DE69022878D1 (de) | 1995-11-16 |
DE69022878T2 true DE69022878T2 (de) | 1996-05-30 |
Family
ID=23391720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69022878T Expired - Fee Related DE69022878T2 (de) | 1989-05-19 | 1990-05-11 | Verfahren eingebauter Fensterabtastung für einen Datensynchronisierer. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5097489A (de) |
EP (1) | EP0398174B1 (de) |
JP (1) | JP3017247B2 (de) |
KR (1) | KR900018847A (de) |
DE (1) | DE69022878T2 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6570944B2 (en) | 2001-06-25 | 2003-05-27 | Rambus Inc. | Apparatus for data recovery in a synchronous chip-to-chip system |
US5278702A (en) * | 1991-04-12 | 1994-01-11 | Western Digital Corporation | Data synchronizer with symmetric window generation |
US5341405A (en) * | 1991-06-11 | 1994-08-23 | Digital Equipment Corporation | Data recovery apparatus and methods |
US5412691A (en) * | 1991-06-28 | 1995-05-02 | Digital Equipment Corporation | Method and apparatus for equalization for transmission over a band-limited channel |
US5271040A (en) * | 1991-12-20 | 1993-12-14 | Vlsi Technology, Inc. | Phase detector circuit |
US5272730A (en) * | 1991-12-20 | 1993-12-21 | Vlsi Technology, Inc. | Digital phase-locked loop filter |
US5408473A (en) * | 1992-03-03 | 1995-04-18 | Digital Equipment Corporation | Method and apparatus for transmission of communication signals over two parallel channels |
US5285483A (en) * | 1992-04-07 | 1994-02-08 | Seiko Epson Corporation | Phase synchronization circuit |
US5317202A (en) * | 1992-05-28 | 1994-05-31 | Intel Corporation | Delay line loop for 1X on-chip clock generation with zero skew and 50% duty cycle |
US5374860A (en) * | 1993-01-15 | 1994-12-20 | National Semiconductor Corporation | Multi-tap digital delay line |
US5436937A (en) * | 1993-02-01 | 1995-07-25 | Motorola, Inc. | Multi-mode digital phase lock loop |
US5438288A (en) * | 1993-05-28 | 1995-08-01 | National Semiconductor Corporation | High differential output impedance setter |
US5444414A (en) * | 1993-05-28 | 1995-08-22 | National Semiconductor Corporation | Low voltage filter transconductance cell |
US5699387A (en) * | 1993-06-23 | 1997-12-16 | Ati Technologies Inc. | Phase offset cancellation technique for reducing low frequency jitters |
IL106363A (en) * | 1993-07-15 | 1997-02-18 | Scitex Corp Ltd | Apparatus and method for data communication between two asynchronous busses |
US5488289A (en) * | 1993-11-18 | 1996-01-30 | National Semiconductor Corp. | Voltage to current converter having feedback for providing an exponential current output |
US5828250A (en) * | 1994-09-06 | 1998-10-27 | Intel Corporation | Differential delay line clock generator with feedback phase control |
US5463351A (en) * | 1994-09-29 | 1995-10-31 | Motorola, Inc. | Nested digital phase lock loop |
US5486783A (en) * | 1994-10-31 | 1996-01-23 | At&T Corp. | Method and apparatus for providing clock de-skewing on an integrated circuit board |
US5522866A (en) * | 1994-11-01 | 1996-06-04 | Intermedics, Inc. | Method and apparatus for improving the resolution of pulse position modulated communications between an implantable medical device and an external medical device |
US5635934A (en) * | 1995-03-07 | 1997-06-03 | National Semiconductor Corporation | Digital read channel utilizing analog-to-digital converter with offset reduction |
US5546433A (en) * | 1995-03-21 | 1996-08-13 | National Semiconductor Corporation | Digital phase lock loop having frequency offset cancellation circuitry |
JP2993559B2 (ja) * | 1997-03-31 | 1999-12-20 | 日本電気株式会社 | 位相同期回路 |
US6002280A (en) * | 1997-04-24 | 1999-12-14 | Mitsubishi Semiconductor America, Inc. | Adaptable output phase delay compensation circuit and method thereof |
US5978425A (en) * | 1997-05-23 | 1999-11-02 | Hitachi Micro Systems, Inc. | Hybrid phase-locked loop employing analog and digital loop filters |
JPH10325854A (ja) * | 1997-05-26 | 1998-12-08 | Sony Corp | 半導体装置 |
US6292903B1 (en) * | 1997-07-09 | 2001-09-18 | International Business Machines Corporation | Smart memory interface |
US6067594A (en) * | 1997-09-26 | 2000-05-23 | Rambus, Inc. | High frequency bus system |
US5977805A (en) * | 1998-01-21 | 1999-11-02 | Atmel Corporation | Frequency synthesis circuit tuned by digital words |
JPH11220385A (ja) * | 1998-02-02 | 1999-08-10 | Mitsubishi Electric Corp | クロック信号生成回路及びデータ信号生成回路 |
US6839393B1 (en) | 1999-07-14 | 2005-01-04 | Rambus Inc. | Apparatus and method for controlling a master/slave system via master device synchronization |
US6643787B1 (en) | 1999-10-19 | 2003-11-04 | Rambus Inc. | Bus system optimization |
US6646953B1 (en) * | 2000-07-06 | 2003-11-11 | Rambus Inc. | Single-clock, strobeless signaling system |
US7187721B1 (en) * | 2000-02-09 | 2007-03-06 | Rambus Inc. | Transition-time control in a high-speed data transmitter |
US6535043B2 (en) * | 2000-05-26 | 2003-03-18 | Lattice Semiconductor Corp | Clock signal selection system, method of generating a clock signal and programmable clock manager including same |
US6590427B2 (en) | 2001-01-03 | 2003-07-08 | Seagate Technology Llc | Phase frequency detector circuit having reduced dead band |
US8391039B2 (en) * | 2001-04-24 | 2013-03-05 | Rambus Inc. | Memory module with termination component |
US6675272B2 (en) | 2001-04-24 | 2004-01-06 | Rambus Inc. | Method and apparatus for coordinating memory operations among diversely-located memory components |
US20020184577A1 (en) * | 2001-05-29 | 2002-12-05 | James Chow | Precision closed loop delay line for wide frequency data recovery |
US6873195B2 (en) * | 2001-08-22 | 2005-03-29 | Bigband Networks Bas, Inc. | Compensating for differences between clock signals |
WO2003036850A1 (en) | 2001-10-22 | 2003-05-01 | Rambus Inc. | Phase adjustment apparatus and method for a memory device signaling system |
US7469026B2 (en) * | 2002-03-07 | 2008-12-23 | The Aerospace Corporation | Random walk filter timing recovery loop |
DE10330593B4 (de) * | 2003-07-07 | 2010-11-04 | Qimonda Ag | Integrierter Taktversorgungsbaustein für ein Speichermodul, Speichermodul, welches den integrierten Taktversorgungsbaustein umfasst, sowie Verfahren zum Betreiben des Speichermoduls unter Testbedingungen |
US7301831B2 (en) * | 2004-09-15 | 2007-11-27 | Rambus Inc. | Memory systems with variable delays for write data signals |
US7543090B2 (en) * | 2007-01-29 | 2009-06-02 | Via Technologies, Inc. | Double-pumped/quad-pumped variation mechanism for source synchronous strobe lockout |
KR100894486B1 (ko) * | 2007-11-02 | 2009-04-22 | 주식회사 하이닉스반도체 | 디지털 필터, 클록 데이터 복구 회로 및 그 동작방법, 반도체 메모리 장치 및 그의 동작방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3810234A (en) * | 1972-08-21 | 1974-05-07 | Memorex Corp | Data recovery circuit |
US4580100A (en) * | 1982-12-17 | 1986-04-01 | Tokyo Shibaura Denki Kabushiki Kaisha 72 | Phase locked loop clock recovery circuit for data reproducing apparatus |
US4617679A (en) * | 1983-09-20 | 1986-10-14 | Nec Electronics U.S.A., Inc. | Digital phase lock loop circuit |
CA1297171C (en) * | 1986-04-01 | 1992-03-10 | Samuel Howard Gailbreath Jr. | Digital phase lock loop |
US4680780A (en) * | 1986-05-01 | 1987-07-14 | Tektronix, Inc. | Clock recovery digital phase-locked loop |
US4949325A (en) * | 1987-03-18 | 1990-08-14 | Hitachi, Ltd. | Method and associated apparatus and medium for optical recording and reproducing information |
US4750193A (en) * | 1987-04-20 | 1988-06-07 | International Business Machines Corporation | Phase-locked data detector |
US4814726A (en) * | 1987-08-17 | 1989-03-21 | National Semiconductor Corporation | Digital phase comparator/charge pump with zero deadband and minimum offset |
-
1989
- 1989-05-19 US US07/354,058 patent/US5097489A/en not_active Expired - Lifetime
-
1990
- 1990-05-11 DE DE69022878T patent/DE69022878T2/de not_active Expired - Fee Related
- 1990-05-11 EP EP90108895A patent/EP0398174B1/de not_active Expired - Lifetime
- 1990-05-18 KR KR1019900007152A patent/KR900018847A/ko not_active Application Discontinuation
- 1990-05-19 JP JP12815990A patent/JP3017247B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03162777A (ja) | 1991-07-12 |
EP0398174A3 (de) | 1991-09-04 |
DE69022878D1 (de) | 1995-11-16 |
EP0398174B1 (de) | 1995-10-11 |
JP3017247B2 (ja) | 2000-03-06 |
US5097489A (en) | 1992-03-17 |
EP0398174A2 (de) | 1990-11-22 |
KR900018847A (ko) | 1990-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |