CN100527267C - Ddr和ddr2内存控制器的读数据采样方法及装置 - Google Patents
Ddr和ddr2内存控制器的读数据采样方法及装置 Download PDFInfo
- Publication number
- CN100527267C CN100527267C CNB2006100080919A CN200610008091A CN100527267C CN 100527267 C CN100527267 C CN 100527267C CN B2006100080919 A CNB2006100080919 A CN B2006100080919A CN 200610008091 A CN200610008091 A CN 200610008091A CN 100527267 C CN100527267 C CN 100527267C
- Authority
- CN
- China
- Prior art keywords
- strobe signal
- data strobe
- delay unit
- filtering wave
- delay
- 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.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 19
- 238000001914 filtration Methods 0.000 claims abstract description 96
- 230000000630 rising effect Effects 0.000 claims abstract description 40
- 230000003111 delayed effect Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
Images
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100080919A CN100527267C (zh) | 2006-02-28 | 2006-02-28 | Ddr和ddr2内存控制器的读数据采样方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100080919A CN100527267C (zh) | 2006-02-28 | 2006-02-28 | Ddr和ddr2内存控制器的读数据采样方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101030441A CN101030441A (zh) | 2007-09-05 |
CN100527267C true CN100527267C (zh) | 2009-08-12 |
Family
ID=38715709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100080919A Active CN100527267C (zh) | 2006-02-28 | 2006-02-28 | Ddr和ddr2内存控制器的读数据采样方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100527267C (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101854161B (zh) * | 2009-04-03 | 2012-06-27 | 晨星软件研发(深圳)有限公司 | 内存控制器中数据选通信号的校正电路及其校正方法 |
KR101903718B1 (ko) * | 2011-06-14 | 2018-10-04 | 마벨 월드 트레이드 리미티드 | Dqs 게이팅을 위한 시스템 및 방법 |
CN102693197B (zh) * | 2012-05-07 | 2015-01-28 | 江苏中科梦兰电子科技有限公司 | 内存控制器读选通使能微调寄存器的最小单元计算方法 |
CN103095621A (zh) * | 2012-11-27 | 2013-05-08 | 杭州师范大学 | 高速宽带fsk解调电路 |
CN110648703B (zh) * | 2018-06-26 | 2021-06-15 | 龙芯中科技术股份有限公司 | 数据采集电路、读数据窗口的控制方法及装置 |
CN109101691B (zh) * | 2018-07-13 | 2023-04-07 | 山东华芯半导体有限公司 | 一种双倍速率数据传输接口的数据采样方法 |
CN109347312A (zh) * | 2018-11-30 | 2019-02-15 | 常州拓晶照明科技有限公司 | 一种可集成的电源滤波电路 |
CN111338426B (zh) * | 2020-02-18 | 2021-06-25 | 芯创智(北京)微电子有限公司 | 一种基于ddr读数据的分数时钟周期同步系统及方法 |
CN114137922A (zh) * | 2021-11-28 | 2022-03-04 | 浙江中控技术股份有限公司 | 工业控制系统的数据处理方法及装置、存储介质 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5917760A (en) * | 1996-09-20 | 1999-06-29 | Sldram, Inc. | De-skewing data signals in a memory system |
JP2000076853A (ja) * | 1998-06-17 | 2000-03-14 | Mitsubishi Electric Corp | 同期型半導体記憶装置 |
US6493285B1 (en) * | 2001-08-09 | 2002-12-10 | International Business Machines Corporation | Method and apparatus for sampling double data rate memory read data |
US6553530B1 (en) * | 1998-08-13 | 2003-04-22 | Samsung Electronics Co., Ltd. | Integrated circuit devices that include self-test apparatus for testing a plurality of functional blocks and methods of testing same |
US6600681B1 (en) * | 2002-06-10 | 2003-07-29 | Lsi Logic Corporation | Method and apparatus for calibrating DQS qualification in a memory controller |
CN1469380A (zh) * | 2002-07-15 | 2004-01-21 | ������������ʽ���� | 存储装置 |
US6867630B1 (en) * | 2001-08-31 | 2005-03-15 | Integrated Device Technology, Inc. | Clock processing logic and method for determining clock signal characteristics in reference voltage and temperature varying environments |
CN1658169A (zh) * | 2004-02-16 | 2005-08-24 | 联发科技股份有限公司 | 内存控制方法及相关装置 |
CN1665135A (zh) * | 2004-01-20 | 2005-09-07 | 三星电子株式会社 | 延迟信号产生器电路以及包括该电路的存储器系统 |
-
2006
- 2006-02-28 CN CNB2006100080919A patent/CN100527267C/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5917760A (en) * | 1996-09-20 | 1999-06-29 | Sldram, Inc. | De-skewing data signals in a memory system |
JP2000076853A (ja) * | 1998-06-17 | 2000-03-14 | Mitsubishi Electric Corp | 同期型半導体記憶装置 |
US6553530B1 (en) * | 1998-08-13 | 2003-04-22 | Samsung Electronics Co., Ltd. | Integrated circuit devices that include self-test apparatus for testing a plurality of functional blocks and methods of testing same |
US6493285B1 (en) * | 2001-08-09 | 2002-12-10 | International Business Machines Corporation | Method and apparatus for sampling double data rate memory read data |
US6867630B1 (en) * | 2001-08-31 | 2005-03-15 | Integrated Device Technology, Inc. | Clock processing logic and method for determining clock signal characteristics in reference voltage and temperature varying environments |
US6600681B1 (en) * | 2002-06-10 | 2003-07-29 | Lsi Logic Corporation | Method and apparatus for calibrating DQS qualification in a memory controller |
CN1469380A (zh) * | 2002-07-15 | 2004-01-21 | ������������ʽ���� | 存储装置 |
CN1665135A (zh) * | 2004-01-20 | 2005-09-07 | 三星电子株式会社 | 延迟信号产生器电路以及包括该电路的存储器系统 |
CN1658169A (zh) * | 2004-02-16 | 2005-08-24 | 联发科技股份有限公司 | 内存控制方法及相关装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101030441A (zh) | 2007-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100527267C (zh) | Ddr和ddr2内存控制器的读数据采样方法及装置 | |
CN101051300B (zh) | 数据接口校准 | |
CN1991731B (zh) | 芯片烧录系统 | |
US6275077B1 (en) | Method and apparatus for programmable adjustment of bus driver propagation times | |
TWI538405B (zh) | 晶載內連線的時序校正 | |
US7409005B2 (en) | High speed data transmitter and transmitting method thereof | |
CN101562440B (zh) | 延迟模块和方法、时钟检测装置及数字锁相环 | |
US7725755B1 (en) | Self-compensating delay chain for multiple-date-rate interfaces | |
CN108197045A (zh) | 接收差分数据选通信号的存储器控制器及存储器系统 | |
CN1009520B (zh) | 大规模半导体逻辑器件 | |
EP1336972A1 (en) | Method and apparatus for data inversion in a memory device | |
US20070070733A1 (en) | Circuit and method for outputting aligned strobe signal and parallel data signal | |
CN101317097A (zh) | 比较器电路 | |
EP0744749A2 (en) | Data input circuit of semiconductor storage device | |
CN108984446A (zh) | 基于fpga原语的phy接口及fpga芯片 | |
CN112017702B (zh) | 内存接口电路、phy芯片及处理器 | |
US5953521A (en) | Data-pattern induced skew reducer | |
US6418176B1 (en) | Forwarded clock recovery with variable latency | |
CN100381833C (zh) | 测试桥接电路的方法与装置 | |
CN107945834A (zh) | 存储器测试装置及测试方法 | |
CN101521040B (zh) | 半导体存储器件和用于操作半导体存储器件的方法 | |
US6008663A (en) | Eliminating phase shift in an integrated circuit tester | |
US6798255B2 (en) | Semiconductor integrated circuit device | |
CN106847319A (zh) | 一种fpga电路及窗口信号调整方法 | |
CN107526697A (zh) | 用于选择读取时钟信号的存储器控制器 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Loongson Zhongke Technology Service Center Co., Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract fulfillment period: 2009.12.16 to 2028.12.31 Contract record no.: 2010990000062 Denomination of invention: Method and apparatus for reading and sampling data of DDR and DDR2 memory controller Granted publication date: 20090812 License type: exclusive license Record date: 20100128 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.16 TO 2028.12.31; CHANGE OF CONTRACT Name of requester: BEIJING LOONGSON TECHNOLOGY SERVICE CENTER CO., LT Effective date: 20100128 |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Longxin Zhongke Technology Co., Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2010990000062 Date of cancellation: 20141231 |
|
EM01 | Change of recordation of patent licensing contract |
Change date: 20141231 Contract record no.: 2010990000062 Assignee after: Longxin Zhongke Technology Co., Ltd. Assignee before: Beijing Loongson Zhongke Technology Service Center Co., Ltd. |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070905 Assignee: Longxin Zhongke Technology Co., Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2015990000066 Denomination of invention: Method and apparatus for reading and sampling data of DDR and DDR2 memory controller Granted publication date: 20090812 License type: Common License Record date: 20150211 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20200824 Address after: 100095, Beijing, Zhongguancun Haidian District environmental science and technology demonstration park, Liuzhou Industrial Park, No. 2 building Patentee after: LOONGSON TECHNOLOGY Corp.,Ltd. Address before: 100080 Haidian District, Zhongguancun Academy of Sciences, South Road, No. 6, No. Patentee before: Institute of Computing Technology, Chinese Academy of Sciences |
|
TR01 | Transfer of patent right | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: LOONGSON TECHNOLOGY Corp.,Ltd. Assignor: Institute of Computing Technology, Chinese Academy of Sciences Contract record no.: 2015990000066 Date of cancellation: 20200928 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100095 Building 2, Longxin Industrial Park, Zhongguancun environmental protection technology demonstration park, Haidian District, Beijing Patentee after: Loongson Zhongke Technology Co.,Ltd. Address before: 100095 Building 2, Longxin Industrial Park, Zhongguancun environmental protection technology demonstration park, Haidian District, Beijing Patentee before: LOONGSON TECHNOLOGY Corp.,Ltd. |