JPS52128015A - Back up power supply circuit of cmos circuit - Google Patents
Back up power supply circuit of cmos circuitInfo
- Publication number
- JPS52128015A JPS52128015A JP4515276A JP4515276A JPS52128015A JP S52128015 A JPS52128015 A JP S52128015A JP 4515276 A JP4515276 A JP 4515276A JP 4515276 A JP4515276 A JP 4515276A JP S52128015 A JPS52128015 A JP S52128015A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- cmos
- supply circuit
- cmos circuit
- 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
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
PURPOSE: To prevent CMOS circuit from erroneous functioning caused by external noise by shutting off the power supply to the power supply circuit of CMOS element from D/C power supply unit before the power supply voltage drops to the limited operating voltage.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4515276A JPS52128015A (en) | 1976-04-20 | 1976-04-20 | Back up power supply circuit of cmos circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4515276A JPS52128015A (en) | 1976-04-20 | 1976-04-20 | Back up power supply circuit of cmos circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52128015A true JPS52128015A (en) | 1977-10-27 |
JPS5623173B2 JPS5623173B2 (en) | 1981-05-29 |
Family
ID=12711290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4515276A Granted JPS52128015A (en) | 1976-04-20 | 1976-04-20 | Back up power supply circuit of cmos circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52128015A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS553445U (en) * | 1978-06-23 | 1980-01-10 | ||
EP0012232A1 (en) * | 1978-11-29 | 1980-06-25 | Nippondenso Co., Ltd. | Apparatus for switching over the operating frequency of a digital computer |
JPS5592531A (en) * | 1978-12-29 | 1980-07-14 | Philips Nv | Device for protecting at dc power voltage drop time |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58171181U (en) * | 1982-05-10 | 1983-11-15 | みたまや金属工業株式会社 | roller skating |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940030A (en) * | 1972-08-17 | 1974-04-15 |
-
1976
- 1976-04-20 JP JP4515276A patent/JPS52128015A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4940030A (en) * | 1972-08-17 | 1974-04-15 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS553445U (en) * | 1978-06-23 | 1980-01-10 | ||
JPS5847599Y2 (en) * | 1978-06-23 | 1983-10-29 | 菊水電子工業株式会社 | semiconductor storage device |
EP0012232A1 (en) * | 1978-11-29 | 1980-06-25 | Nippondenso Co., Ltd. | Apparatus for switching over the operating frequency of a digital computer |
JPS5592531A (en) * | 1978-12-29 | 1980-07-14 | Philips Nv | Device for protecting at dc power voltage drop time |
JPH0232646B2 (en) * | 1978-12-29 | 1990-07-23 | Fuiritsupusu Furuuiranpenfuaburiken Nv |
Also Published As
Publication number | Publication date |
---|---|
JPS5623173B2 (en) | 1981-05-29 |
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