KR890014235U - 디램 리프레쉬 회로 - Google Patents
디램 리프레쉬 회로Info
- Publication number
- KR890014235U KR890014235U KR2019870021614U KR870021614U KR890014235U KR 890014235 U KR890014235 U KR 890014235U KR 2019870021614 U KR2019870021614 U KR 2019870021614U KR 870021614 U KR870021614 U KR 870021614U KR 890014235 U KR890014235 U KR 890014235U
- Authority
- KR
- South Korea
- Prior art keywords
- refresh circuit
- dram refresh
- dram
- circuit
- refresh
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870021614U KR900004014Y1 (ko) | 1987-12-08 | 1987-12-08 | 디램 리프레쉬 회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870021614U KR900004014Y1 (ko) | 1987-12-08 | 1987-12-08 | 디램 리프레쉬 회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890014235U true KR890014235U (ko) | 1989-08-10 |
| KR900004014Y1 KR900004014Y1 (ko) | 1990-05-07 |
Family
ID=19270181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870021614U KR900004014Y1 (ko) | 1987-12-08 | 1987-12-08 | 디램 리프레쉬 회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900004014Y1 (ko) |
-
1987
- 1987-12-08 KR KR2019870021614U patent/KR900004014Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR900004014Y1 (ko) | 1990-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19941228 Year of fee payment: 6 |
|
| LAPS | Lapse due to unpaid annual fee |