JP2004021916A - データバス - Google Patents
データバス Download PDFInfo
- Publication number
- JP2004021916A JP2004021916A JP2002179969A JP2002179969A JP2004021916A JP 2004021916 A JP2004021916 A JP 2004021916A JP 2002179969 A JP2002179969 A JP 2002179969A JP 2002179969 A JP2002179969 A JP 2002179969A JP 2004021916 A JP2004021916 A JP 2004021916A
- Authority
- JP
- Japan
- Prior art keywords
- data
- impedance
- terminating
- signal
- variable resistor
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 21
- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
Landscapes
- Dram (AREA)
- Logic Circuits (AREA)
- Memory System (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002179969A JP2004021916A (ja) | 2002-06-20 | 2002-06-20 | データバス |
| US10/299,712 US6844754B2 (en) | 2002-06-20 | 2002-11-20 | Data bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002179969A JP2004021916A (ja) | 2002-06-20 | 2002-06-20 | データバス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004021916A true JP2004021916A (ja) | 2004-01-22 |
| JP2004021916A5 JP2004021916A5 (enExample) | 2005-10-20 |
Family
ID=29728235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002179969A Pending JP2004021916A (ja) | 2002-06-20 | 2002-06-20 | データバス |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6844754B2 (enExample) |
| JP (1) | JP2004021916A (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100798739B1 (ko) | 2006-09-27 | 2008-01-29 | 주식회사 하이닉스반도체 | 반도체메모리소자 및 그의 구동 방법 |
| JP2009540633A (ja) * | 2006-06-02 | 2009-11-19 | ラムバス・インコーポレーテッド | 段階的オンダイターミネーションを備えた集積回路 |
| JP5752862B1 (ja) * | 2014-06-18 | 2015-07-22 | ゼンテルジャパン株式会社 | 半導体回路装置及び半導体メモリシステム |
| US9536604B1 (en) | 2016-01-06 | 2017-01-03 | International Business Machines Corporation | Impedance matching system for DDR memory |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW521187B (en) * | 2001-10-05 | 2003-02-21 | Via Tech Inc | Signal compensation circuit of bus |
| US7088170B2 (en) * | 2003-06-30 | 2006-08-08 | International Business Machines Corporation | Multiplexer and demultiplexer |
| US20060132577A1 (en) * | 2004-12-04 | 2006-06-22 | Hon Hai Precision Industry Co., Ltd. | Circuit topology for high-speed printed circuit board |
| CN1828478A (zh) * | 2005-03-05 | 2006-09-06 | 鸿富锦精密工业(深圳)有限公司 | 主板双倍资料速率内存的电源电路 |
| US8060774B2 (en) | 2005-06-24 | 2011-11-15 | Google Inc. | Memory systems and memory modules |
| US8111566B1 (en) | 2007-11-16 | 2012-02-07 | Google, Inc. | Optimal channel design for memory devices for providing a high-speed memory interface |
| US20080028136A1 (en) | 2006-07-31 | 2008-01-31 | Schakel Keith R | Method and apparatus for refresh management of memory modules |
| US9542352B2 (en) * | 2006-02-09 | 2017-01-10 | Google Inc. | System and method for reducing command scheduling constraints of memory circuits |
| US8081474B1 (en) | 2007-12-18 | 2011-12-20 | Google Inc. | Embossed heat spreader |
| US8335894B1 (en) * | 2008-07-25 | 2012-12-18 | Google Inc. | Configurable memory system with interface circuit |
| US8397013B1 (en) | 2006-10-05 | 2013-03-12 | Google Inc. | Hybrid memory module |
| US20080126690A1 (en) * | 2006-02-09 | 2008-05-29 | Rajan Suresh N | Memory module with memory stack |
| US8244971B2 (en) | 2006-07-31 | 2012-08-14 | Google Inc. | Memory circuit system and method |
| US8077535B2 (en) | 2006-07-31 | 2011-12-13 | Google Inc. | Memory refresh apparatus and method |
| US8041881B2 (en) | 2006-07-31 | 2011-10-18 | Google Inc. | Memory device with emulated characteristics |
| US9507739B2 (en) | 2005-06-24 | 2016-11-29 | Google Inc. | Configurable memory circuit system and method |
| US8055833B2 (en) | 2006-10-05 | 2011-11-08 | Google Inc. | System and method for increasing capacity, performance, and flexibility of flash storage |
| US8327104B2 (en) | 2006-07-31 | 2012-12-04 | Google Inc. | Adjusting the timing of signals associated with a memory system |
| US9171585B2 (en) | 2005-06-24 | 2015-10-27 | Google Inc. | Configurable memory circuit system and method |
| US8359187B2 (en) | 2005-06-24 | 2013-01-22 | Google Inc. | Simulating a different number of memory circuit devices |
| US8089795B2 (en) | 2006-02-09 | 2012-01-03 | Google Inc. | Memory module with memory stack and interface with enhanced capabilities |
| US8386722B1 (en) | 2008-06-23 | 2013-02-26 | Google Inc. | Stacked DIMM memory interface |
| US20080082763A1 (en) | 2006-10-02 | 2008-04-03 | Metaram, Inc. | Apparatus and method for power management of memory circuits by a system or component thereof |
| US7386656B2 (en) | 2006-07-31 | 2008-06-10 | Metaram, Inc. | Interface circuit system and method for performing power management operations in conjunction with only a portion of a memory circuit |
| US10013371B2 (en) | 2005-06-24 | 2018-07-03 | Google Llc | Configurable memory circuit system and method |
| US8796830B1 (en) | 2006-09-01 | 2014-08-05 | Google Inc. | Stackable low-profile lead frame package |
| US8090897B2 (en) | 2006-07-31 | 2012-01-03 | Google Inc. | System and method for simulating an aspect of a memory circuit |
| US8130560B1 (en) | 2006-11-13 | 2012-03-06 | Google Inc. | Multi-rank partial width memory modules |
| US8438328B2 (en) | 2008-02-21 | 2013-05-07 | Google Inc. | Emulation of abstracted DIMMs using abstracted DRAMs |
| CN100518436C (zh) * | 2005-08-05 | 2009-07-22 | 鸿富锦精密工业(深圳)有限公司 | 高速印刷电路板中传输线的布线架构 |
| DE112006002300B4 (de) | 2005-09-02 | 2013-12-19 | Google, Inc. | Vorrichtung zum Stapeln von DRAMs |
| US7372293B2 (en) * | 2005-12-07 | 2008-05-13 | Intel Corporation | Polarity driven dynamic on-die termination |
| US9632929B2 (en) | 2006-02-09 | 2017-04-25 | Google Inc. | Translating an address associated with a command communicated between a system and memory circuits |
| US20070205805A1 (en) * | 2006-03-03 | 2007-09-06 | Oliver Kiehl | Electrical system including driver that provides a first drive strength and a second drive strength |
| US7479799B2 (en) * | 2006-03-14 | 2009-01-20 | Inphi Corporation | Output buffer with switchable output impedance |
| KR100780949B1 (ko) * | 2006-03-21 | 2007-12-03 | 삼성전자주식회사 | 데이터 독출 모드에서 odt 회로의 온/오프 상태를테스트할 수 있는 반도체 메모리 장치 및 odt 회로의상태 테스트 방법 |
| US20070247185A1 (en) * | 2006-03-30 | 2007-10-25 | Hideo Oie | Memory system with dynamic termination |
| US20080025136A1 (en) * | 2006-07-31 | 2008-01-31 | Metaram, Inc. | System and method for storing at least a portion of information received in association with a first operation for use in performing a second operation |
| US7724589B2 (en) | 2006-07-31 | 2010-05-25 | Google Inc. | System and method for delaying a signal communicated from a system to at least one of a plurality of memory circuits |
| US20080162801A1 (en) * | 2006-12-29 | 2008-07-03 | Ripan Das | Series termination for a low power memory interface |
| US20080197877A1 (en) * | 2007-02-16 | 2008-08-21 | Intel Corporation | Per byte lane dynamic on-die termination |
| US20090091963A1 (en) * | 2007-10-04 | 2009-04-09 | Advanced Micro Devices, Inc. | Memory device |
| TW200921595A (en) * | 2007-11-14 | 2009-05-16 | Darfon Electronics Corp | Multi-lamp backlight apparatus |
| JP5217520B2 (ja) * | 2008-03-06 | 2013-06-19 | 株式会社リコー | 電子機器 |
| US8041865B2 (en) * | 2008-08-04 | 2011-10-18 | Qimonda Ag | Bus termination system and method |
| US7915912B2 (en) * | 2008-09-24 | 2011-03-29 | Rambus Inc. | Signal lines with internal and external termination |
| DE202010017690U1 (de) * | 2009-06-09 | 2012-05-29 | Google, Inc. | Programmierung von Dimm-Abschlusswiderstandswerten |
| KR20110076481A (ko) * | 2009-12-29 | 2011-07-06 | 삼성전자주식회사 | 메모리 모듈 및 이를 포함하는 메모리 시스템 |
| US10380060B2 (en) * | 2016-06-17 | 2019-08-13 | Etron Technology, Inc. | Low-pincount high-bandwidth memory and memory bus |
| US10340022B2 (en) * | 2017-05-16 | 2019-07-02 | Samsung Electronics Co., Ltd. | Nonvolatile memory including on-die-termination circuit and storage device including the nonvolatile memory |
| KR102471160B1 (ko) * | 2017-05-16 | 2022-11-25 | 삼성전자주식회사 | 온-다이-터미네이션 회로를 포함하는 비휘발성 메모리 및 상기 비휘발성 메모리를 포함하는 스토리지 장치 |
| US10528515B2 (en) * | 2017-06-27 | 2020-01-07 | Intel Corporation | Memory channel driver with echo cancellation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467455A (en) * | 1993-11-03 | 1995-11-14 | Motorola, Inc. | Data processing system and method for performing dynamic bus termination |
| JPH08194034A (ja) | 1995-01-19 | 1996-07-30 | Hitachi Ltd | 半導体試験装置 |
| EP1050824A3 (en) * | 1999-04-22 | 2004-01-28 | Matsushita Electric Industrial Co., Ltd. | Bidirectional signal transmission circuit and bus system |
| JP2001177580A (ja) | 1999-12-20 | 2001-06-29 | Sony Corp | インピーダンス適合システム |
| US6356106B1 (en) * | 2000-09-12 | 2002-03-12 | Micron Technology, Inc. | Active termination in a multidrop memory system |
| US6690191B2 (en) * | 2001-12-21 | 2004-02-10 | Sun Microsystems, Inc. | Bi-directional output buffer |
-
2002
- 2002-06-20 JP JP2002179969A patent/JP2004021916A/ja active Pending
- 2002-11-20 US US10/299,712 patent/US6844754B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009540633A (ja) * | 2006-06-02 | 2009-11-19 | ラムバス・インコーポレーテッド | 段階的オンダイターミネーションを備えた集積回路 |
| KR100798739B1 (ko) | 2006-09-27 | 2008-01-29 | 주식회사 하이닉스반도체 | 반도체메모리소자 및 그의 구동 방법 |
| US7710797B2 (en) | 2006-09-27 | 2010-05-04 | Hynix Semiconductors, Inc. | Semiconductor memory device and method for driving the same |
| JP5752862B1 (ja) * | 2014-06-18 | 2015-07-22 | ゼンテルジャパン株式会社 | 半導体回路装置及び半導体メモリシステム |
| WO2015193992A1 (ja) * | 2014-06-18 | 2015-12-23 | ゼンテルジャパン株式会社 | 半導体回路装置及び半導体メモリシステム |
| US9536604B1 (en) | 2016-01-06 | 2017-01-03 | International Business Machines Corporation | Impedance matching system for DDR memory |
Also Published As
| Publication number | Publication date |
|---|---|
| US20030234664A1 (en) | 2003-12-25 |
| US6844754B2 (en) | 2005-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004021916A (ja) | データバス | |
| US6795906B2 (en) | Memory controller, interface device and method using a mode selection signal to support different types of memories | |
| JP3799251B2 (ja) | メモリデバイス及びメモリシステム | |
| US6532525B1 (en) | Method and apparatus for accessing memory | |
| KR100437454B1 (ko) | 소오스 싱크로너스 전송 방식을 이용한 비동기 메모리 및그것을 포함한 시스템 | |
| US20070126464A1 (en) | Dynamic on-die termination launch latency reduction | |
| KR20080018135A (ko) | 메모리 클록 신호를 전송하는 방법 및 회로 | |
| CN111414324A (zh) | 半导体系统 | |
| KR20170098718A (ko) | 메모리 시스템의 종단 토폴로지와 관련 메모리 모듈 및 제어 방법 | |
| JP2009237678A (ja) | メモリコントローラデバイス、メモリコントローラデバイスの制御方法およびデータ受信デバイス | |
| US6502173B1 (en) | System for accessing memory and method therefore | |
| US8180990B2 (en) | Integrated circuit including a plurality of master circuits transmitting access requests to an external device and integrated circuit system including first and second interated circuits each including a plurality of master circuits transmitting access requests | |
| KR100499416B1 (ko) | Ddr sdram 의 데이타 입력 장치 | |
| JP2006228194A (ja) | 内部メモリデバイス間の直接的データ移動が可能な複合メモリチップおよびデータ移動方法 | |
| US7518935B2 (en) | Synchronous RAM memory circuit | |
| US7689763B2 (en) | Method and system for reducing pin count in an integrated circuit when interfacing to a memory | |
| US20040027870A1 (en) | Ic card and ic card system | |
| JP2004334879A (ja) | メモリシステム及び方法 | |
| JP2003228511A (ja) | データ書込方法及びメモリシステム | |
| EP3819778A1 (en) | Bus system and method for operating a bus system | |
| JP3942074B2 (ja) | データ入出力装置、メモリ・システム、データ入出力回路およびデータ入出力方法 | |
| US7583548B2 (en) | Semiconductor memory apparatus for allocating different read/write operating time to every bank | |
| JP2008251060A (ja) | 半導体記憶装置 | |
| EP0926684B1 (en) | Synchronisation device for synchronous dynamic random-access memory | |
| US6766403B2 (en) | CPU system with high-speed peripheral LSI circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050614 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050614 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080304 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080325 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080519 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20080519 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090414 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090901 |