JPS55139691A - Memory circuit control system - Google Patents
Memory circuit control systemInfo
- Publication number
- JPS55139691A JPS55139691A JP4472079A JP4472079A JPS55139691A JP S55139691 A JPS55139691 A JP S55139691A JP 4472079 A JP4472079 A JP 4472079A JP 4472079 A JP4472079 A JP 4472079A JP S55139691 A JPS55139691 A JP S55139691A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- dma
- constitution
- ram
- bus
- 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.)
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Bus Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4472079A JPS55139691A (en) | 1979-04-11 | 1979-04-11 | Memory circuit control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4472079A JPS55139691A (en) | 1979-04-11 | 1979-04-11 | Memory circuit control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55139691A true JPS55139691A (en) | 1980-10-31 |
JPS6260760B2 JPS6260760B2 (enrdf_load_stackoverflow) | 1987-12-17 |
Family
ID=12699253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4472079A Granted JPS55139691A (en) | 1979-04-11 | 1979-04-11 | Memory circuit control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139691A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0071743A2 (en) | 1981-08-12 | 1983-02-16 | International Business Machines Corporation | Refresh circuit for dynamic memory of a data processor employing a direct memory access controller |
JPS60151742A (ja) * | 1984-01-18 | 1985-08-09 | Pioneer Electronic Corp | デイジタル信号発生装置 |
JPH02294863A (ja) * | 1989-05-10 | 1990-12-05 | Nec Eng Ltd | ダイレクトメモリアクセス方式 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5254342A (en) * | 1975-10-30 | 1977-05-02 | Toshiba Corp | Dynamic memory refreshing |
-
1979
- 1979-04-11 JP JP4472079A patent/JPS55139691A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5254342A (en) * | 1975-10-30 | 1977-05-02 | Toshiba Corp | Dynamic memory refreshing |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0071743A2 (en) | 1981-08-12 | 1983-02-16 | International Business Machines Corporation | Refresh circuit for dynamic memory of a data processor employing a direct memory access controller |
JPS60151742A (ja) * | 1984-01-18 | 1985-08-09 | Pioneer Electronic Corp | デイジタル信号発生装置 |
JPH02294863A (ja) * | 1989-05-10 | 1990-12-05 | Nec Eng Ltd | ダイレクトメモリアクセス方式 |
Also Published As
Publication number | Publication date |
---|---|
JPS6260760B2 (enrdf_load_stackoverflow) | 1987-12-17 |
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