JPH02118312U - - Google Patents
Info
- Publication number
- JPH02118312U JPH02118312U JP2617689U JP2617689U JPH02118312U JP H02118312 U JPH02118312 U JP H02118312U JP 2617689 U JP2617689 U JP 2617689U JP 2617689 U JP2617689 U JP 2617689U JP H02118312 U JPH02118312 U JP H02118312U
- Authority
- JP
- Japan
- Prior art keywords
- trigger
- crystal
- signal
- crystal resonator
- oscillation
- 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
- 239000013078 crystal Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 4
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図に示す実施例中のトリガ発生回路の一
例の構成を示す回路図、第３図は第１図、第２図
のＡ，Ｂ，Ｃ，Ｄ部分の波形のタイミングの一例
を示すタイミングチヤート、第４図は本考案の他
の実施例を示す回路図である。
１，５…インバータ、２…水晶振動子、３…Ｐ
チヤネルトランジスタ、４…トリガ発生回路、４
１…遅延回路、４２…エクスクル−ジブオア回路
、６…Ｎチヤネルトランジスタ。なお図中同一符
号は同一または相当する部分を示す。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing an example of the configuration of the trigger generation circuit in the embodiment shown in FIG. The timing chart shown in FIG. 4 is a circuit diagram showing another embodiment of the present invention. 1, 5...Inverter, 2...Crystal resonator, 3...P
Channel transistor, 4...Trigger generation circuit, 4
DESCRIPTION OF SYMBOLS 1... Delay circuit, 42... Excl-Jib-OR circuit, 6... N channel transistor. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
振回路の電源を入れた瞬間あるいは当該水晶振動
子を発振停止状態に保持する発振停止機能を解除
した瞬間に電源からの信号あるいは発振停止機能
を解除する信号によつてアクテイブＬの波形のト
リガを発生するトリガ発生回路と、ゲートに上記
トリガ発生回路のトリガが印加された瞬間に上記
水晶振動子の一方の接続端に立ち上がりあるいは
立ち下がりエツジの信号を印加するＰチヤルまた
は、Ｎｃｈトランジスタを備えた水晶発振回路。 The signal from the power supply or the oscillation stop function is canceled the moment the crystal resonator and the oscillation circuit that oscillates the crystal resonator are turned on, or the oscillation stop function that keeps the crystal resonator in the stopped state is canceled. A trigger generation circuit generates an active L waveform trigger based on a signal, and a rising or falling edge signal is applied to one connection end of the crystal oscillator at the moment the trigger of the trigger generation circuit is applied to the gate. A crystal oscillation circuit equipped with a P channel or N channel transistor that applies .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2617689U JPH02118312U (en) | 1989-03-09 | 1989-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2617689U JPH02118312U (en) | 1989-03-09 | 1989-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118312U true JPH02118312U (en) | 1990-09-21 |
Family
ID=31247570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2617689U Pending JPH02118312U (en) | 1989-03-09 | 1989-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318398A (en) * | 2006-05-25 | 2007-12-06 | Seiko Npc Corp | Crystal oscillator circuit |
| JP2016116155A (en) * | 2014-12-17 | 2016-06-23 | ラピスセミコンダクタ株式会社 | Semiconductor device and oscillation method of semiconductor device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59205802A (en) * | 1983-05-10 | 1984-11-21 | Fujitsu Ltd | Oscillating circuit with start trigger |
-
1989
- 1989-03-09 JP JP2617689U patent/JPH02118312U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59205802A (en) * | 1983-05-10 | 1984-11-21 | Fujitsu Ltd | Oscillating circuit with start trigger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318398A (en) * | 2006-05-25 | 2007-12-06 | Seiko Npc Corp | Crystal oscillator circuit |
| JP2016116155A (en) * | 2014-12-17 | 2016-06-23 | ラピスセミコンダクタ株式会社 | Semiconductor device and oscillation method of semiconductor device |