DE69026987D1 - Dynamischer Speicher mit einer Auffrischungssteuerschaltung - Google Patents
Dynamischer Speicher mit einer AuffrischungssteuerschaltungInfo
- Publication number
- DE69026987D1 DE69026987D1 DE69026987T DE69026987T DE69026987D1 DE 69026987 D1 DE69026987 D1 DE 69026987D1 DE 69026987 T DE69026987 T DE 69026987T DE 69026987 T DE69026987 T DE 69026987T DE 69026987 D1 DE69026987 D1 DE 69026987D1
- Authority
- DE
- Germany
- Prior art keywords
- control circuit
- dynamic memory
- refresh control
- refresh
- dynamic
- 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 - Lifetime
Links
Classifications
-
- 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
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
-
- 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
- G11C11/4074—Power supply or voltage generation circuits, e.g. bias voltage generators, substrate voltage generators, back-up power, power control circuits
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1189440A JP2762589B2 (ja) | 1989-07-21 | 1989-07-21 | 半導体メモリ回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69026987D1 true DE69026987D1 (de) | 1996-06-20 |
| DE69026987T2 DE69026987T2 (de) | 1996-10-31 |
Family
ID=16241286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69026987T Expired - Lifetime DE69026987T2 (de) | 1989-07-21 | 1990-07-20 | Dynamischer Speicher mit einer Auffrischungssteuerschaltung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5150329A (de) |
| EP (1) | EP0409274B1 (de) |
| JP (1) | JP2762589B2 (de) |
| DE (1) | DE69026987T2 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3018498B2 (ja) * | 1990-11-30 | 2000-03-13 | 日本電気株式会社 | 半導体記憶装置 |
| US5249152A (en) * | 1991-06-20 | 1993-09-28 | Unisys Corporation | Bookkeeping memory |
| KR940009250B1 (ko) * | 1991-12-18 | 1994-10-01 | 삼성전자 주식회사 | 복수개의 동작전압에 대응하는 리프레쉬 타이머 |
| JP2982928B2 (ja) * | 1992-04-01 | 1999-11-29 | 三菱電機株式会社 | 半導体記憶装置 |
| JP3297124B2 (ja) * | 1993-02-24 | 2002-07-02 | 三菱電機株式会社 | ダイナミック型半導体記憶装置 |
| US6209071B1 (en) * | 1996-05-07 | 2001-03-27 | Rambus Inc. | Asynchronous request/synchronous data dynamic random access memory |
| WO1999019874A1 (en) | 1997-10-10 | 1999-04-22 | Rambus Incorporated | Power control system for synchronous memory device |
| US6334167B1 (en) | 1998-08-31 | 2001-12-25 | International Business Machines Corporation | System and method for memory self-timed refresh for reduced power consumption |
| JP3992449B2 (ja) * | 2001-03-29 | 2007-10-17 | 富士通株式会社 | 半導体記憶装置 |
| DE102004059671B4 (de) * | 2004-12-10 | 2007-03-22 | Infineon Technologies Ag | Verfahren zum Aktivieren von Wortleitungen bei einem Wiederauffrischungszyklus und elektronische Speichervorrichtung zur Durchführung des Verfahrens |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3737879A (en) * | 1972-01-05 | 1973-06-05 | Mos Technology Inc | Self-refreshing memory |
| JPS55105891A (en) * | 1979-01-30 | 1980-08-13 | Sharp Corp | Refresh system for dynamic memory |
| US4412314A (en) * | 1980-06-02 | 1983-10-25 | Mostek Corporation | Semiconductor memory for use in conjunction with error detection and correction circuit |
| JPS5873096A (ja) * | 1981-10-27 | 1983-05-02 | Nec Corp | 半導体メモリ |
| JPS6079593A (ja) * | 1983-10-07 | 1985-05-07 | Hitachi Ltd | 半導体集積回路システム |
| US4653030B1 (en) * | 1984-08-31 | 1997-08-26 | Texas Instruments Inc | Self refresh circuitry for dynamic memory |
-
1989
- 1989-07-21 JP JP1189440A patent/JP2762589B2/ja not_active Expired - Lifetime
-
1990
- 1990-07-20 EP EP90113975A patent/EP0409274B1/de not_active Expired - Lifetime
- 1990-07-20 DE DE69026987T patent/DE69026987T2/de not_active Expired - Lifetime
- 1990-07-23 US US07/555,697 patent/US5150329A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69026987T2 (de) | 1996-10-31 |
| JP2762589B2 (ja) | 1998-06-04 |
| EP0409274B1 (de) | 1996-05-15 |
| EP0409274A3 (en) | 1991-11-13 |
| US5150329A (en) | 1992-09-22 |
| EP0409274A2 (de) | 1991-01-23 |
| JPH0354793A (ja) | 1991-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: NEC CORP., TOKIO/TOKYO, JP Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ELPIDA MEMORY, INC., TOKYO, JP |