JP4734580B2 - エンハンスド・バス・ターンアラウンド集積回路ダイナミック・ランダム・アクセス・メモリ装置 - Google Patents
エンハンスド・バス・ターンアラウンド集積回路ダイナミック・ランダム・アクセス・メモリ装置 Download PDFInfo
- Publication number
- JP4734580B2 JP4734580B2 JP2001052888A JP2001052888A JP4734580B2 JP 4734580 B2 JP4734580 B2 JP 4734580B2 JP 2001052888 A JP2001052888 A JP 2001052888A JP 2001052888 A JP2001052888 A JP 2001052888A JP 4734580 B2 JP4734580 B2 JP 4734580B2
- Authority
- JP
- Japan
- Prior art keywords
- memory
- memory device
- integrated circuit
- refresh
- signal
- 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
- 238000003491 array Methods 0.000 claims description 13
- 230000004044 response Effects 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 25
- 230000001360 synchronised effect Effects 0.000 description 18
- 230000000630 rising effect Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition 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
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
- G11C7/1087—Data input latches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/4076—Timing circuits
-
- 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
- G11C7/1072—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for memories with random access ports synchronised on clock signal pulse trains, e.g. synchronous memories, self timed memories
-
- 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
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
- Static Random-Access Memory (AREA)
- Memory System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/515,007 US6151236A (en) | 2000-02-29 | 2000-02-29 | Enhanced bus turnaround integrated circuit dynamic random access memory device |
| US09/515007 | 2000-02-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001283587A JP2001283587A (ja) | 2001-10-12 |
| JP2001283587A5 JP2001283587A5 (enExample) | 2008-03-13 |
| JP4734580B2 true JP4734580B2 (ja) | 2011-07-27 |
Family
ID=24049613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001052888A Expired - Fee Related JP4734580B2 (ja) | 2000-02-29 | 2001-02-27 | エンハンスド・バス・ターンアラウンド集積回路ダイナミック・ランダム・アクセス・メモリ装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6151236A (enExample) |
| EP (1) | EP1130603A3 (enExample) |
| JP (1) | JP4734580B2 (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249481B1 (en) * | 1991-10-15 | 2001-06-19 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
| US5838631A (en) | 1996-04-19 | 1998-11-17 | Integrated Device Technology, Inc. | Fully synchronous pipelined ram |
| US6115320A (en) | 1998-02-23 | 2000-09-05 | Integrated Device Technology, Inc. | Separate byte control on fully synchronous pipelined SRAM |
| JP2000137983A (ja) * | 1998-08-26 | 2000-05-16 | Toshiba Corp | 半導体記憶装置 |
| US7069406B2 (en) | 1999-07-02 | 2006-06-27 | Integrated Device Technology, Inc. | Double data rate synchronous SRAM with 100% bus utilization |
| JP4083944B2 (ja) | 1999-12-13 | 2008-04-30 | 東芝マイクロエレクトロニクス株式会社 | 半導体記憶装置 |
| US6373751B1 (en) | 2000-05-15 | 2002-04-16 | Enhanced Memory Systems, Inc. | Packet-based integrated circuit dynamic random access memory device incorporating an on-chip row register cache to reduce data access latencies |
| EP2056301B1 (en) * | 2000-07-07 | 2011-11-30 | Mosaid Technologies Incorporated | A high speed dram architecture with uniform access latency |
| CA2340804A1 (en) * | 2001-03-14 | 2002-09-14 | Atmos Corporation | Sram emulator |
| US7085186B2 (en) * | 2001-04-05 | 2006-08-01 | Purple Mountain Server Llc | Method for hiding a refresh in a pseudo-static memory |
| JP4459495B2 (ja) * | 2001-12-13 | 2010-04-28 | 富士通マイクロエレクトロニクス株式会社 | 半導体記憶装置のリフレッシュ制御方法、及び該制御方法を有する半導体記憶装置 |
| US6829184B2 (en) * | 2002-01-28 | 2004-12-07 | Intel Corporation | Apparatus and method for encoding auto-precharge |
| US6795899B2 (en) * | 2002-03-22 | 2004-09-21 | Intel Corporation | Memory system with burst length shorter than prefetch length |
| US7043599B1 (en) * | 2002-06-20 | 2006-05-09 | Rambus Inc. | Dynamic memory supporting simultaneous refresh and data-access transactions |
| JP4236901B2 (ja) | 2002-10-23 | 2009-03-11 | Necエレクトロニクス株式会社 | 半導体記憶装置及びその制御方法 |
| JP4236903B2 (ja) | 2002-10-29 | 2009-03-11 | Necエレクトロニクス株式会社 | 半導体記憶装置及びその制御方法 |
| JP4439838B2 (ja) | 2003-05-26 | 2010-03-24 | Necエレクトロニクス株式会社 | 半導体記憶装置及びその制御方法 |
| US7433258B2 (en) * | 2003-10-10 | 2008-10-07 | Datasecure Llc. | Posted precharge and multiple open-page RAM architecture |
| US20050159925A1 (en) * | 2004-01-15 | 2005-07-21 | Elias Gedamu | Cache testing for a processor design |
| US20050172091A1 (en) * | 2004-01-29 | 2005-08-04 | Rotithor Hemant G. | Method and an apparatus for interleaving read data return in a packetized interconnect to memory |
| US7042776B2 (en) * | 2004-02-18 | 2006-05-09 | International Business Machines Corporation | Method and circuit for dynamic read margin control of a memory array |
| US8151030B2 (en) * | 2004-05-26 | 2012-04-03 | Ocz Technology Group, Inc. | Method of increasing DDR memory bandwidth in DDR SDRAM modules |
| US8688892B2 (en) | 2004-05-26 | 2014-04-01 | OCZ Storage Solutions Inc. | System and method for increasing DDR memory bandwidth in DDR SDRAM modules |
| JPWO2006080065A1 (ja) * | 2005-01-27 | 2008-06-19 | スパンション エルエルシー | 記憶装置、およびその制御方法 |
| US7584335B2 (en) | 2006-11-02 | 2009-09-01 | International Business Machines Corporation | Methods and arrangements for hybrid data storage |
| IT201800000581A1 (it) * | 2018-01-05 | 2019-07-05 | St Microelectronics Srl | Metodo di gestione dell'accesso in tempo reale a una memoria differenziale, memoria differenziale e sistema elettronico includente la memoria differenziale |
| US11256442B2 (en) | 2018-01-05 | 2022-02-22 | Stmicroelectronics S.R.L. | Real-time update method for a differential memory, differential memory and electronic system |
| IT201800000580A1 (it) | 2018-01-05 | 2019-07-05 | St Microelectronics Srl | Metodo di aggiornamento in tempo reale di una memoria differenziale con accessibilita' continua in lettura, memoria differenziale e sistema elettronico |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52131A (en) * | 1975-06-23 | 1977-01-05 | Hitachi Ltd | Main memory control system |
| EP0440243A3 (en) * | 1990-01-31 | 1993-12-15 | Nec Corp | Memory controller for sub-memory unit such as disk drives |
| US5652723A (en) * | 1991-04-18 | 1997-07-29 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor memory device |
| JPH0581852A (ja) * | 1991-09-24 | 1993-04-02 | Mitsubishi Denki Eng Kk | 半導体記憶装置 |
| EP0895162A3 (en) * | 1992-01-22 | 1999-11-10 | Enhanced Memory Systems, Inc. | Enhanced dram with embedded registers |
| US5537564A (en) * | 1993-03-08 | 1996-07-16 | Zilog, Inc. | Technique for accessing and refreshing memory locations within electronic storage devices which need to be refreshed with minimum power consumption |
| JPH07254271A (ja) * | 1994-03-16 | 1995-10-03 | Toshiba Corp | ダイナミックランダムアクセスメモリおよびこれを用いたメモリシステム |
| US5457654A (en) * | 1994-07-26 | 1995-10-10 | Micron Technology, Inc. | Memory circuit for pre-loading a serial pipeline |
| GB9424100D0 (en) * | 1994-11-29 | 1995-01-18 | Accelerix Ltd | Improved memory devices |
| US5636173A (en) * | 1995-06-07 | 1997-06-03 | Micron Technology, Inc. | Auto-precharge during bank selection |
| FR2745114B1 (fr) * | 1996-02-20 | 1998-04-17 | Sgs Thomson Microelectronics | Memoire non volatile multiniveau modifiable electriquement avec rafraichissement autonome |
| US5983313A (en) * | 1996-04-10 | 1999-11-09 | Ramtron International Corporation | EDRAM having a dynamically-sized cache memory and associated method |
| US5940851A (en) * | 1996-11-27 | 1999-08-17 | Monolithic Systems, Inc. | Method and apparatus for DRAM refresh using master, slave and self-refresh modes |
| US5818777A (en) * | 1997-03-07 | 1998-10-06 | Micron Technology, Inc. | Circuit for implementing and method for initiating a self-refresh mode |
| US5991851A (en) * | 1997-05-02 | 1999-11-23 | Enhanced Memory Systems, Inc. | Enhanced signal processing random access memory device utilizing a DRAM memory array integrated with an associated SRAM cache and internal refresh control |
| US5999481A (en) * | 1997-08-22 | 1999-12-07 | Micron Technology, Inc. | Method and apparatus for controlling the operation of an integrated circuit responsive to out-of-synchronism control signals |
| JP3092558B2 (ja) * | 1997-09-16 | 2000-09-25 | 日本電気株式会社 | 半導体集積回路装置 |
| US5999474A (en) * | 1998-10-01 | 1999-12-07 | Monolithic System Tech Inc | Method and apparatus for complete hiding of the refresh of a semiconductor memory |
-
2000
- 2000-02-29 US US09/515,007 patent/US6151236A/en not_active Expired - Lifetime
- 2000-07-27 US US09/626,623 patent/US6301183B1/en not_active Expired - Lifetime
-
2001
- 2001-01-31 EP EP01300890A patent/EP1130603A3/en not_active Withdrawn
- 2001-02-27 JP JP2001052888A patent/JP4734580B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6301183B1 (en) | 2001-10-09 |
| EP1130603A3 (en) | 2002-04-03 |
| US6151236A (en) | 2000-11-21 |
| JP2001283587A (ja) | 2001-10-12 |
| EP1130603A2 (en) | 2001-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4734580B2 (ja) | エンハンスド・バス・ターンアラウンド集積回路ダイナミック・ランダム・アクセス・メモリ装置 | |
| KR100257430B1 (ko) | 캐쉬 내장 동기적 동적 랜덤 액세스 메모리 소자 및 프로그래밍가능한 캐쉬 저장 정책 구현 방법 | |
| KR100260683B1 (ko) | 캐쉬 내장 동기적 동적 랜덤 액세스 메모리 소자 및 프로그래밍가능한 캐쉬 저장 정책 구현 방법 | |
| EP0830682B1 (en) | Auto-activate on synchronous dynamic random access memory | |
| US5587961A (en) | Synchronous memory allowing early read command in write to read transitions | |
| US5636173A (en) | Auto-precharge during bank selection | |
| US10146445B2 (en) | Mechanism for enabling full data bus utilization without increasing data granularity | |
| US5966724A (en) | Synchronous memory device with dual page and burst mode operations | |
| EP1061523B1 (en) | Semiconductor memory device and electronic apparatus | |
| KR100953880B1 (ko) | 메모리 디바이스, 그 제어방법 및 그 내부 제어방법, 메모리 디바이스를 포함하는 시스템 | |
| US8730759B2 (en) | Devices and system providing reduced quantity of interconnections | |
| WO1997030453A1 (en) | Auto refresh to specified bank | |
| US10573371B2 (en) | Systems and methods for controlling data strobe signals during read operations | |
| CN100495568C (zh) | 存取数据的方法以及使用该方法的器件和系统 | |
| US6026041A (en) | Semiconductor memory device | |
| JPH10208468A (ja) | 半導体記憶装置並びに同期型半導体記憶装置 | |
| US6055289A (en) | Shared counter | |
| JP2002197864A (ja) | マルチポートメモリおよびその制御方法 | |
| JP2010272204A (ja) | 半導体記憶装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080130 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080130 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100309 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100608 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20100608 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20100608 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110309 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20110324 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110401 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20110324 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4734580 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140513 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |