KR0172233B1 - 분배형 리프레쉬 모드 제어회로 - Google Patents
분배형 리프레쉬 모드 제어회로 Download PDFInfo
- Publication number
- KR0172233B1 KR0172233B1 KR1019950000089A KR19950000089A KR0172233B1 KR 0172233 B1 KR0172233 B1 KR 0172233B1 KR 1019950000089 A KR1019950000089 A KR 1019950000089A KR 19950000089 A KR19950000089 A KR 19950000089A KR 0172233 B1 KR0172233 B1 KR 0172233B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- logic
- combining means
- refresh
- mode
- Prior art date
Links
- 230000000737 periodic effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 1
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
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/401—Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C2211/406—Refreshing of dynamic cells
- G11C2211/4065—Low level details of refresh operations
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
Abstract
Description
Claims (4)
- 외부로 부터 전 메모리셀을 리프레쉬하는 모드의 제어신호 및 디램의 나쁜 리프레쉬 특성에 따른 제1 감지신호 및 제1 클럭신호와 리프레쉬 모드 제어 신호를 논리조합하는 제1 논리조합수단과, 디램의 좋은 리프레쉬 특성에 따른 제2 감지신호 및 제2 클럭신호와 리프레쉬 모드 제어 신호를 논리조합하는 제2 논리조합수단과, 상기 제1 논리조합수단 및 상기 제2 논리조합수단으로 부터의 신호를 논리조합하여 분배형 리프레쉬 모드의 동작을 제어하는 신호를 발생하는 제3 논리조합수단을 구비한 것을 특징으로 하는 분배형 리프레쉬 모드의 제어회로.
- 제1항에 있어서, 상기 제1 논리조합수단으로 부터의 신호를 반전하여 상기 제3 논리조합수단쪽으로 매칭하는 제1 인버터와, 상기 제2 논리조합수단으로 부터의 신호를 반전하여 상기 제3 논리조합수단쪽으로 매칭하는 제2 인버터와, 상기 제3 논리조합수단으로 부터의 신호를 반전하여 디스트모드쪽으로 매칭하는 제3 인버터를 추가로 구비한 것을 특징으로 하는 분배형 리프레쉬 모드의 제어회로.
- 제1항에 있어서, 상기 제3 논리조합수단이 NOR 게이트를 포함한 것을 특징으로 하는 분배형 리프레쉬 모드의 제어회로.
- 제1항에 있어서, 상기 제1 논리조합수단 및 제2 논리조합수단이 NAND 게이트를 포함한 것을 특징으로 하는 분배형 리프레쉬 모드의 제어회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950000089A KR0172233B1 (ko) | 1995-01-05 | 1995-01-05 | 분배형 리프레쉬 모드 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950000089A KR0172233B1 (ko) | 1995-01-05 | 1995-01-05 | 분배형 리프레쉬 모드 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960030241A KR960030241A (ko) | 1996-08-17 |
KR0172233B1 true KR0172233B1 (ko) | 1999-03-30 |
Family
ID=19406396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950000089A KR0172233B1 (ko) | 1995-01-05 | 1995-01-05 | 분배형 리프레쉬 모드 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0172233B1 (ko) |
-
1995
- 1995-01-05 KR KR1019950000089A patent/KR0172233B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960030241A (ko) | 1996-08-17 |
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