KR20000055361A - 평균 듀티 싸이클 교정기 - Google Patents
평균 듀티 싸이클 교정기 Download PDFInfo
- Publication number
- KR20000055361A KR20000055361A KR1019990003944A KR19990003944A KR20000055361A KR 20000055361 A KR20000055361 A KR 20000055361A KR 1019990003944 A KR1019990003944 A KR 1019990003944A KR 19990003944 A KR19990003944 A KR 19990003944A KR 20000055361 A KR20000055361 A KR 20000055361A
- Authority
- KR
- South Korea
- Prior art keywords
- clock
- duty cycle
- duty
- copy
- source
- Prior art date
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- 239000000872 buffer Substances 0.000 claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 230000007257 malfunction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 101000979629 Homo sapiens Nucleoside diphosphate kinase A Proteins 0.000 description 4
- 102100023252 Nucleoside diphosphate kinase A Human genes 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
- G11C7/222—Clock generating, synchronizing or distributing circuits within memory device
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Pulse Circuits (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
Claims (2)
- 큰 로딩을 구동하기 위하여 듀티비가 정정된 클럭을 버퍼링한 원본 클럭을 출력하는 복수의 버퍼와; 상기 듀티비가 정정된 클럭을 버퍼링한 복사본 클럭을 출력하는 복수의 버퍼와; 상기 원본 클럭과 복사본 클럭을 입력받아 이를 보간하여 출력하는 듀티 싸이클 평균부와; 상기 듀티 싸이클 평균부의 평균 클럭을 입력받아 이를 적분하여 듀티 싸이클 에러를 검출하는 듀티 싸이클 감지부와; 상기 듀티 싸이클 감지부의 듀티 싸이클 에러를 이용하여 기준 클럭의 듀티비를 정정하여 출력하는 듀티 싸이클 정정부로 구성하여 된 것을 특징으로 하는 평균 듀티 싸이클 교정기.
- 제1항에 있어서, 상기 듀티 싸이클 평균부는 소오스에 전원전압을 연결되고, 게이트와 드레인이 공통연결된 제1,제4 피모스 트랜지스터와; 각각 상기 제1,제4 피모스 트랜지스터의 소오스와 드레인에 병렬연결되어 게이트에 각각 상기 제4,제1 피모스 트랜지스터의 드레인이 연결된 제2,제3 피모스 트랜지스터와; 드레인이 각각 상기 제2,제3 피모스 트랜지스터의 드레인에 연결되고 소오스가 공통연결되며, 게이트에 상기 복사본 클럭 및 반전된 복사본 클럭을 인가받아 도통제어되는 제1,제4 엔모스 트랜지스터와; 드레인이 각각 상기 제2,제3 피모스 트랜지스터의 드레인에 연결되고 소오스가 공통연결되며, 게이트에 상기 원본 클럭 및 반전된 원본 클럭을 인가받아 도통제어되는 제2,제3 엔모스 트랜지스터와; 일측이 각각 상기 제2,제3 엔모스 및 제1,제4 엔모스 트랜지스터의 소오스에 공통접속하고, 타측인 접지로 전류를 흘리는 제1,제2 전류원으로 구성하여 된 것을 특징으로 하는 평균 듀티 싸이클 교정기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0003944A KR100525080B1 (ko) | 1999-02-05 | 1999-02-05 | 평균 듀티 싸이클 교정기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0003944A KR100525080B1 (ko) | 1999-02-05 | 1999-02-05 | 평균 듀티 싸이클 교정기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000055361A true KR20000055361A (ko) | 2000-09-05 |
KR100525080B1 KR100525080B1 (ko) | 2005-11-01 |
Family
ID=19573491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0003944A KR100525080B1 (ko) | 1999-02-05 | 1999-02-05 | 평균 듀티 싸이클 교정기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100525080B1 (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7183824B2 (en) | 2004-10-28 | 2007-02-27 | Samsung Electronics Co., Ltd. | Duty cycle correction circuit and a method for duty cycle correction in a delay locked loop using an inversion locking scheme |
KR100771887B1 (ko) * | 2006-10-17 | 2007-11-01 | 삼성전자주식회사 | 듀티 검출기 및 이를 구비하는 듀티 검출/보정 회로 |
KR100918263B1 (ko) * | 2008-11-04 | 2009-09-21 | 주식회사 파이칩스 | 듀티 사이클 보정장치 |
US7598783B2 (en) | 2007-01-24 | 2009-10-06 | Hynix Semiconductor Inc. | DLL circuit and method of controlling the same |
KR101285218B1 (ko) * | 2006-07-25 | 2013-07-11 | 삼성전자주식회사 | 듀티 사이클 보정 회로와 듀티 사이클 보정 방법 |
US9525406B2 (en) | 2014-12-08 | 2016-12-20 | Electronics And Telecommunications Research Institute | Apparatus and method for compensating for duty signals |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100829453B1 (ko) | 2006-08-11 | 2008-05-15 | 주식회사 하이닉스반도체 | Dll 회로의 기준 클럭 생성 장치 및 방법 |
KR101309465B1 (ko) * | 2011-06-24 | 2013-09-23 | 엘에스산전 주식회사 | 듀티 사이클 보정장치 |
KR101942160B1 (ko) | 2016-12-02 | 2019-01-24 | 강원대학교산학협력단 | 듀티 사이클 보정회로 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970019034A (ko) * | 1995-09-14 | 1997-04-30 | 김광호 | 듀티 조정회로 |
JPH09246920A (ja) * | 1996-03-08 | 1997-09-19 | Hitachi Ltd | 半導体集積回路装置 |
KR100216273B1 (ko) * | 1996-11-06 | 1999-08-16 | 구본준 | 듀티 사이클 제어 회로 |
KR100271655B1 (ko) * | 1998-05-28 | 2000-11-15 | 김영환 | 듀티 싸이클 보정 회로 |
-
1999
- 1999-02-05 KR KR10-1999-0003944A patent/KR100525080B1/ko not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7183824B2 (en) | 2004-10-28 | 2007-02-27 | Samsung Electronics Co., Ltd. | Duty cycle correction circuit and a method for duty cycle correction in a delay locked loop using an inversion locking scheme |
KR101285218B1 (ko) * | 2006-07-25 | 2013-07-11 | 삼성전자주식회사 | 듀티 사이클 보정 회로와 듀티 사이클 보정 방법 |
KR100771887B1 (ko) * | 2006-10-17 | 2007-11-01 | 삼성전자주식회사 | 듀티 검출기 및 이를 구비하는 듀티 검출/보정 회로 |
US7598783B2 (en) | 2007-01-24 | 2009-10-06 | Hynix Semiconductor Inc. | DLL circuit and method of controlling the same |
KR100918263B1 (ko) * | 2008-11-04 | 2009-09-21 | 주식회사 파이칩스 | 듀티 사이클 보정장치 |
US9525406B2 (en) | 2014-12-08 | 2016-12-20 | Electronics And Telecommunications Research Institute | Apparatus and method for compensating for duty signals |
Also Published As
Publication number | Publication date |
---|---|
KR100525080B1 (ko) | 2005-11-01 |
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