JPS54128644A - Clock selection circuit - Google Patents
Clock selection circuitInfo
- Publication number
- JPS54128644A JPS54128644A JP3722178A JP3722178A JPS54128644A JP S54128644 A JPS54128644 A JP S54128644A JP 3722178 A JP3722178 A JP 3722178A JP 3722178 A JP3722178 A JP 3722178A JP S54128644 A JPS54128644 A JP S54128644A
- Authority
- JP
- Japan
- Prior art keywords
- clock
- spare
- existing
- selection
- detection circuits
- 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
- 238000001514 detection method Methods 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3722178A JPS54128644A (en) | 1978-03-29 | 1978-03-29 | Clock selection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3722178A JPS54128644A (en) | 1978-03-29 | 1978-03-29 | Clock selection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54128644A true JPS54128644A (en) | 1979-10-05 |
JPS6148725B2 JPS6148725B2 (enrdf_load_stackoverflow) | 1986-10-25 |
Family
ID=12491525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3722178A Granted JPS54128644A (en) | 1978-03-29 | 1978-03-29 | Clock selection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54128644A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63191434A (ja) * | 1987-02-04 | 1988-08-08 | Nippon Telegr & Teleph Corp <Ntt> | クロツク回路 |
JPH03165134A (ja) * | 1989-11-24 | 1991-07-17 | Nec Corp | クロック選択切り替え方式 |
US5287010A (en) * | 1989-12-27 | 1994-02-15 | Masao Hagiwara | Device for preventing erroneous operation when the clock is interrupted in a controller |
-
1978
- 1978-03-29 JP JP3722178A patent/JPS54128644A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63191434A (ja) * | 1987-02-04 | 1988-08-08 | Nippon Telegr & Teleph Corp <Ntt> | クロツク回路 |
JPH03165134A (ja) * | 1989-11-24 | 1991-07-17 | Nec Corp | クロック選択切り替え方式 |
US5287010A (en) * | 1989-12-27 | 1994-02-15 | Masao Hagiwara | Device for preventing erroneous operation when the clock is interrupted in a controller |
Also Published As
Publication number | Publication date |
---|---|
JPS6148725B2 (enrdf_load_stackoverflow) | 1986-10-25 |
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