JPS4975041A - - Google Patents
Info
- Publication number
- JPS4975041A JPS4975041A JP48105116A JP10511673A JPS4975041A JP S4975041 A JPS4975041 A JP S4975041A JP 48105116 A JP48105116 A JP 48105116A JP 10511673 A JP10511673 A JP 10511673A JP S4975041 A JPS4975041 A JP S4975041A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G11C11/40603—Arbitration, priority and concurrent access to memory cells for read/write or refresh operations
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00298917A US3810129A (en) | 1972-10-19 | 1972-10-19 | Memory system restoration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4975041A true JPS4975041A (cg-RX-API-DMAC7.html) | 1974-07-19 |
| JPS546175B2 JPS546175B2 (cg-RX-API-DMAC7.html) | 1979-03-26 |
Family
ID=23152544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10511673A Expired JPS546175B2 (cg-RX-API-DMAC7.html) | 1972-10-19 | 1973-09-19 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS546175B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR7308182D0 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1019443A (cg-RX-API-DMAC7.html) |
| IT (1) | IT993089B (cg-RX-API-DMAC7.html) |
| SE (1) | SE391826B (cg-RX-API-DMAC7.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130535A (en) * | 1976-04-27 | 1977-11-01 | Nippon Telegr & Teleph Corp <Ntt> | Refresh control system of memory unit |
| JPS55105894A (en) * | 1979-02-05 | 1980-08-13 | Hitachi Ltd | Data process system |
| US5245086A (en) * | 1989-12-05 | 1993-09-14 | Rhone-Poulenc Chimie | Hydroxylation of phenols/phenol ethers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831031A (cg-RX-API-DMAC7.html) * | 1971-08-27 | 1973-04-24 |
-
1973
- 1973-08-30 IT IT28352/73A patent/IT993089B/it active
- 1973-09-04 CA CA180,180A patent/CA1019443A/en not_active Expired
- 1973-09-19 JP JP10511673A patent/JPS546175B2/ja not_active Expired
- 1973-10-02 SE SE7313382A patent/SE391826B/xx unknown
- 1973-10-19 BR BR8182/73A patent/BR7308182D0/pt unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831031A (cg-RX-API-DMAC7.html) * | 1971-08-27 | 1973-04-24 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130535A (en) * | 1976-04-27 | 1977-11-01 | Nippon Telegr & Teleph Corp <Ntt> | Refresh control system of memory unit |
| JPS55105894A (en) * | 1979-02-05 | 1980-08-13 | Hitachi Ltd | Data process system |
| US5245086A (en) * | 1989-12-05 | 1993-09-14 | Rhone-Poulenc Chimie | Hydroxylation of phenols/phenol ethers |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1019443A (en) | 1977-10-18 |
| SE7313382L (cg-RX-API-DMAC7.html) | 1974-04-22 |
| JPS546175B2 (cg-RX-API-DMAC7.html) | 1979-03-26 |
| SE391826B (sv) | 1977-02-28 |
| IT993089B (it) | 1975-09-30 |
| BR7308182D0 (pt) | 1974-07-11 |