JPS54137952A - Delay pulse generating circuit - Google Patents
Delay pulse generating circuitInfo
- Publication number
- JPS54137952A JPS54137952A JP4630578A JP4630578A JPS54137952A JP S54137952 A JPS54137952 A JP S54137952A JP 4630578 A JP4630578 A JP 4630578A JP 4630578 A JP4630578 A JP 4630578A JP S54137952 A JPS54137952 A JP S54137952A
- Authority
- JP
- Japan
- Prior art keywords
- gate
- circuit
- threshold level
- inputs
- inverted
- 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.)
- Pending
Links
Landscapes
- Pulse Circuits (AREA)
Abstract
PURPOSE: To obtain a narrow pulse delayed by a simple constitution, by a CR charging circuit composed of a couple of CMOS gate circuits with the same function.
CONSTITUTION: The 1st gate circuit B inverts a boundle of inputs and the 2nd gate circuit A uses respective inputs separately. As a result, threshold level X of gate A becomes a little bit lower than threshold level Y of gate B under the influence of the resistance division of a CMOS. Voltage (b) can therefore be obtained which decreases gradually through the charging of the CR circuit when a H-level signal is inputted to input terminal (a). Since inputs of gates A and B are both connected to voltage (b), the potential of gate B is inverted at Y first and that of gate A is inverted at X. In consequence, a pulse can be outputted which is equivalent to the time width depending upon the difference between threshold levels X and Y. In addition, the output corresponding to a step input is delayed as long as the time for a decrease down to threshold level Y.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4630578A JPS54137952A (en) | 1978-04-18 | 1978-04-18 | Delay pulse generating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4630578A JPS54137952A (en) | 1978-04-18 | 1978-04-18 | Delay pulse generating circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54137952A true JPS54137952A (en) | 1979-10-26 |
Family
ID=12743473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4630578A Pending JPS54137952A (en) | 1978-04-18 | 1978-04-18 | Delay pulse generating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54137952A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131367A (en) * | 1973-04-18 | 1974-12-17 | ||
JPS5047554A (en) * | 1973-08-28 | 1975-04-28 |
-
1978
- 1978-04-18 JP JP4630578A patent/JPS54137952A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131367A (en) * | 1973-04-18 | 1974-12-17 | ||
JPS5047554A (en) * | 1973-08-28 | 1975-04-28 |
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