KR100541549B1 - 링 오실레이터 - Google Patents
링 오실레이터 Download PDFInfo
- Publication number
- KR100541549B1 KR100541549B1 KR1020030064241A KR20030064241A KR100541549B1 KR 100541549 B1 KR100541549 B1 KR 100541549B1 KR 1020030064241 A KR1020030064241 A KR 1020030064241A KR 20030064241 A KR20030064241 A KR 20030064241A KR 100541549 B1 KR100541549 B1 KR 100541549B1
- Authority
- KR
- South Korea
- Prior art keywords
- node
- clock signal
- nodes
- ring
- ring oscillator
- Prior art date
Links
- 230000003111 delayed effect Effects 0.000 description 24
- 230000007704 transition Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000001934 delay Effects 0.000 description 7
- 238000004088 simulation Methods 0.000 description 2
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0231—Astable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/012—Modifications of generator to improve response time or to decrease power consumption
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
- H03K3/0322—Ring oscillators with differential cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S331/00—Oscillators
- Y10S331/03—Logic gate active element oscillator
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
- Pulse Circuits (AREA)
Abstract
Description
Claims (15)
- 짝수개의 반전 회로들을 구비한 적어도 하나이상의 제1 링 형태의 회로; 및홀수개의 반전 회로들을 구비한 적어도 하나이상의 제2 링 형태의 회로를 구비하고,상기 제1 링 형태의 회로와 상기 제2 링 형태의 회로가 하나이상의 반전 회로들을 공유하는 것을 특징으로 하는 링 오실레이터.
- 제1항에 있어서, 상기 반전 회로는인버터인 것을 특징으로 하는 링 오실레이터.
- 제1항에 있어서, 상기 반전 회로는차동 증폭기인 것을 특징으로 하는 링 오실레이터.
- 제1항에 있어서, 상기 제1 링 형태의 회로는상기 짝수개의 반전 회로들이 링 형태로 종속 연결되는 것을 특징으로 하는 링 오실레이터.
- 제1항에 있어서, 상기 제2 링 형태의 회로는상기 홀수개의 반전 회로들이 링 형태로 종속 연결되는 것을 특징으로 하는 링 오실레이터.
- 삭제
- 삭제
- 삭제
- 삭제
- 짝수개의 반전 회로들을 종속 연결하여 적어도 하나이상의 제1 링 형태의 회로; 및홀수개의 반전 회로들을 종속 연결하여 적어도 하나이상의 제2 링 형태의 회 로를 구비하고,상기 제1 링 형태의 회로와 상기 제2 링 형태의 회로가 하나이상의 반전 회로를 공유하고,상기 공유되는 하나이상의 반전 회로의 출력 노드에서 위상 혼합이 이루어지는 것을 특징으로 하는 링 오실레이터.
- 제10항에 있어서, 상기 반전 회로는인버터인 것을 특징으로 하는 링 오실레이터.
- 제1항에 있어서, 상기 반전 회로는차동 증폭기인 것을 특징으로 하는 링 오실레이터.
- N개의 노드들을 구비하고,상기 N개의 노드들사이에 연결된 N+1보다 크거나 같고, N(N-1)/2보다 작거나 같은 수의 반전 회로들을 구비하고,상기 N개의 노드들중 적어도 하나이상의 노드로 입력되는 신호의 수가 적어도 2개이상인 것을 특징으로 하는 링 오실레이터.
- 제13항에 있어서, 상기 반전 회로는인버터인 것을 특징으로 하는 링 오실레이터.
- 제13항에 있어서, 상기 반전 회로는차동 증폭기인 것을 특징으로 하는 링 오실레이터.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030064241A KR100541549B1 (ko) | 2003-09-16 | 2003-09-16 | 링 오실레이터 |
US10/841,866 US7135935B2 (en) | 2003-09-16 | 2004-05-06 | Hyper-ring oscillator |
TW93122743A TWI254506B (en) | 2003-09-16 | 2004-07-29 | Ring oscillator, memory system comprising the same, and method for generating oscillating signals |
CNB2004100751223A CN1327613C (zh) | 2003-09-16 | 2004-08-31 | 环形振荡器 |
DE200410042900 DE102004042900B4 (de) | 2003-09-16 | 2004-08-31 | Ringoszillator, Signalerzeugungsverfahren und Speichersystem |
JP2004259057A JP2005094754A (ja) | 2003-09-16 | 2004-09-06 | ハイパーリングオシレータ、該リングオシレータを備えたシステム、及びリングオシレーティング方法 |
IT001716A ITMI20041716A1 (it) | 2003-09-16 | 2004-09-08 | Oscillatore ad iperanello generante segnale a frequenza elevata |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030064241A KR100541549B1 (ko) | 2003-09-16 | 2003-09-16 | 링 오실레이터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050027857A KR20050027857A (ko) | 2005-03-21 |
KR100541549B1 true KR100541549B1 (ko) | 2006-01-11 |
Family
ID=34270735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030064241A KR100541549B1 (ko) | 2003-09-16 | 2003-09-16 | 링 오실레이터 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7135935B2 (ko) |
KR (1) | KR100541549B1 (ko) |
IT (1) | ITMI20041716A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100689832B1 (ko) * | 2005-06-21 | 2007-03-08 | 삼성전자주식회사 | 위상 동기 루프 및 방법 |
DE102006028966B4 (de) * | 2005-06-21 | 2016-03-24 | Samsung Electronics Co., Ltd. | Phasenregelkreisschaltung, Verfahren zum Verriegeln der Phase, Speicherbauelement und Speichersystem |
US7890561B2 (en) | 2005-08-16 | 2011-02-15 | International Business Machines Corporation | Random number generator |
US7944316B2 (en) * | 2005-12-02 | 2011-05-17 | Panasonic Corporation | Multi-phase oscillator |
KR100728996B1 (ko) * | 2006-09-29 | 2007-06-15 | 주식회사 하이닉스반도체 | 링 오실레이터 |
US7612621B2 (en) * | 2007-05-16 | 2009-11-03 | International Business Machines Corporation | System for providing open-loop quadrature clock generation |
US7683725B2 (en) * | 2007-08-14 | 2010-03-23 | International Business Machines Corporation | System for generating a multiple phase clock |
US8232843B2 (en) | 2008-12-22 | 2012-07-31 | Stmicroelectronics International N.V. | Matrix structure oscillator |
GB2533318A (en) | 2014-12-16 | 2016-06-22 | Ibm | Voltage-controlled ring oscillator with delay line |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2990863B2 (ja) * | 1991-06-26 | 1999-12-13 | 日本電気株式会社 | 発振回路 |
DE69315010T2 (de) * | 1992-08-20 | 1998-04-16 | Koninkl Philips Electronics Nv | Oszillator mit mehrphasigen Ausgängen |
US6100763A (en) * | 1999-03-29 | 2000-08-08 | Motorola, Inc. | Circuit for RF buffer and method of operation |
US6898726B1 (en) * | 2000-11-15 | 2005-05-24 | Micron Technology, Inc. | Memory system that sets a predetermined phase relationship between read and write clock signals at a bus midpoint for a plurality of spaced device locations |
-
2003
- 2003-09-16 KR KR1020030064241A patent/KR100541549B1/ko not_active IP Right Cessation
-
2004
- 2004-05-06 US US10/841,866 patent/US7135935B2/en not_active Expired - Fee Related
- 2004-09-08 IT IT001716A patent/ITMI20041716A1/it unknown
Also Published As
Publication number | Publication date |
---|---|
US20050057316A1 (en) | 2005-03-17 |
ITMI20041716A1 (it) | 2004-12-08 |
US7135935B2 (en) | 2006-11-14 |
KR20050027857A (ko) | 2005-03-21 |
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