JPS5277640A - Refresh control system - Google Patents
Refresh control systemInfo
- Publication number
- JPS5277640A JPS5277640A JP50155183A JP15518375A JPS5277640A JP S5277640 A JPS5277640 A JP S5277640A JP 50155183 A JP50155183 A JP 50155183A JP 15518375 A JP15518375 A JP 15518375A JP S5277640 A JPS5277640 A JP S5277640A
- Authority
- JP
- Japan
- Prior art keywords
- refresh
- control system
- refresh control
- memory elements
- waking
- 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
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)
Abstract
PURPOSE:To prevent lowering of velocity caused by ''refresh'' operation by waking-up ''refresh'' operation against memory elements other than memory elements being necessary for access demand and by carrying out ''refresh'' operation in parallel with normal read-write operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155183A JPS5277640A (en) | 1975-12-24 | 1975-12-24 | Refresh control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155183A JPS5277640A (en) | 1975-12-24 | 1975-12-24 | Refresh control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5277640A true JPS5277640A (en) | 1977-06-30 |
Family
ID=15600289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50155183A Pending JPS5277640A (en) | 1975-12-24 | 1975-12-24 | Refresh control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5277640A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419619A (en) * | 1977-07-15 | 1979-02-14 | Toshiba Corp | Refresh control system |
JPS5447444A (en) * | 1977-09-21 | 1979-04-14 | Hitachi Ltd | Memory unit |
JPS60696A (en) * | 1983-06-16 | 1985-01-05 | Nippon Telegr & Teleph Corp <Ntt> | Semiconductor memory |
JPS6386193A (en) * | 1986-09-29 | 1988-04-16 | Mitsubishi Electric Corp | Semiconductor storage device |
JPH01227299A (en) * | 1988-03-08 | 1989-09-11 | Fujitsu Ltd | Refresh control system for memory |
-
1975
- 1975-12-24 JP JP50155183A patent/JPS5277640A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419619A (en) * | 1977-07-15 | 1979-02-14 | Toshiba Corp | Refresh control system |
JPS5447444A (en) * | 1977-09-21 | 1979-04-14 | Hitachi Ltd | Memory unit |
JPS60696A (en) * | 1983-06-16 | 1985-01-05 | Nippon Telegr & Teleph Corp <Ntt> | Semiconductor memory |
JPS6386193A (en) * | 1986-09-29 | 1988-04-16 | Mitsubishi Electric Corp | Semiconductor storage device |
JPH01227299A (en) * | 1988-03-08 | 1989-09-11 | Fujitsu Ltd | Refresh control system for memory |
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