JPS5679317A - Memory backup circuit - Google Patents
Memory backup circuitInfo
- Publication number
- JPS5679317A JPS5679317A JP15621279A JP15621279A JPS5679317A JP S5679317 A JPS5679317 A JP S5679317A JP 15621279 A JP15621279 A JP 15621279A JP 15621279 A JP15621279 A JP 15621279A JP S5679317 A JPS5679317 A JP S5679317A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power source
- comparator
- level
- output
- 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
-
- Y02B60/1225—
Landscapes
- Techniques For Improving Reliability Of Storages (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Power Sources (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15621279A JPS5679317A (en) | 1979-11-30 | 1979-11-30 | Memory backup circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15621279A JPS5679317A (en) | 1979-11-30 | 1979-11-30 | Memory backup circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5679317A true JPS5679317A (en) | 1981-06-29 |
JPS6231372B2 JPS6231372B2 (ja) | 1987-07-08 |
Family
ID=15622805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15621279A Granted JPS5679317A (en) | 1979-11-30 | 1979-11-30 | Memory backup circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5679317A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827218A (ja) * | 1981-08-10 | 1983-02-17 | Nec Corp | 論理装置の電源確定信号発生回路 |
JPS60238920A (ja) * | 1984-05-11 | 1985-11-27 | Fanuc Ltd | メモリのデ−タ保持回路 |
-
1979
- 1979-11-30 JP JP15621279A patent/JPS5679317A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827218A (ja) * | 1981-08-10 | 1983-02-17 | Nec Corp | 論理装置の電源確定信号発生回路 |
JPH0223886B2 (ja) * | 1981-08-10 | 1990-05-25 | Nippon Electric Co | |
JPS60238920A (ja) * | 1984-05-11 | 1985-11-27 | Fanuc Ltd | メモリのデ−タ保持回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS6231372B2 (ja) | 1987-07-08 |
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