JPH02134721U - - Google Patents
Info
- Publication number
- JPH02134721U JPH02134721U JP4341289U JP4341289U JPH02134721U JP H02134721 U JPH02134721 U JP H02134721U JP 4341289 U JP4341289 U JP 4341289U JP 4341289 U JP4341289 U JP 4341289U JP H02134721 U JPH02134721 U JP H02134721U
- Authority
- JP
- Japan
- Prior art keywords
- mosfet
- power supply
- output terminal
- supply terminal
- conductivity type
- 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 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図及び第２図はそれぞれ本考案の第１及び
第２の実施例を示す回路図、第３図は従来の低消
費電流型ＣＭＯＳ水晶発振回路の一例を示す回路
図である。
１，２，２Ａ…インバータ回路、３，３Ａ…制
御回路、１０…電源、Ｃ１〜Ｃ３…コンデンサ、
Ｇ１，Ｇ２…ゲート回路、Ｉ１，Ｉ２…インバー
タ、Ｑ１〜Ｑ８…ＭＯＳＦＥＴ、Ｒ１〜Ｒ４…抵
抗、Ｘ１…水晶振動子。
1 and 2 are circuit diagrams showing first and second embodiments of the present invention, respectively, and FIG. 3 is a circuit diagram showing an example of a conventional low current consumption type CMOS crystal oscillation circuit. 1, 2, 2A...inverter circuit, 3,3A...control circuit, 10...power supply, C1 to C3 ...capacitor,
G1 , G2 ...Gate circuit, I1 , I2 ...Inverter, Q1 - Q8 ...MOSFET, R1 - R4 ...Resistor, X1 ...Crystal resonator.
Claims (1)
れた一導電型の第１のＭＯＳＦＥＴと、第２の電
源供給端子と前記出力端子との間に接続されゲー
トを前記第１のＭＯＳＦＥＴのゲートと接続する
逆導電型の第２のＭＯＳＦＥＴとを備えたＣＭＯ
Ｓ型の第１のインバータ回路と、前記第１の電源
供給端子と前記出力端子との間に接続された一導
電型の第３のＭＯＳＦＥＴ、及び前記第２の電源
供給端子と前記出力端子との間に接続された逆導
電型の第４のＭＯＳＦＥＴを備えたＣＭＯＳ型の
第２のインバータ回路と、前記出力端子と前記第
１及び第２のＭＯＳＦＥＴのゲートとの間に並列
接続された水晶振動子及び抵抗と、前記第１、第
２のＭＯＳＦＥＴのゲート及び出力端子と前記第
２の電源供給端子との間にそれぞれ接続された第
１及び第２のコンデンサと、電源が投入されてか
ら所定の時間が経過するまでの間、前記第３のＭ
ＯＳＦＥＴを前記第１のＭＯＳＦＥＴと同時に、
かつ前記第４のＭＯＳＦＥＴを前記第２のＭＯＳ
ＦＥＴと同時にオン・オフさせ、前記所定の時間
が経過後は前記第３及び第４のＭＯＳＦＥＴを共
にオフとする制御回路とを有することを特徴とす
る低消費電流型ＣＭＯＳ水晶発振回路。 A first MOSFET of one conductivity type is connected between a first power supply terminal and the output terminal, and a gate of the first MOSFET is connected between a second power supply terminal and the output terminal. CMO equipped with a second MOSFET of opposite conductivity type connected to the gate
an S-type first inverter circuit, a third MOSFET of one conductivity type connected between the first power supply terminal and the output terminal, and the second power supply terminal and the output terminal. a CMOS type second inverter circuit including a fourth MOSFET of opposite conductivity type connected between the crystals connected in parallel between the output terminal and the gates of the first and second MOSFETs; A vibrator and a resistor, first and second capacitors connected between the gates and output terminals of the first and second MOSFETs and the second power supply terminal, respectively, and Until a predetermined time elapses, the third M
an OSFET at the same time as the first MOSFET,
and the fourth MOSFET is the second MOS
A low current consumption type CMOS crystal oscillator circuit comprising: a control circuit that turns on and off the MOSFET at the same time as the MOSFET, and turns off both the third and fourth MOSFETs after the predetermined time has elapsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4341289U JPH02134721U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4341289U JPH02134721U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02134721U true JPH02134721U (en) | 1990-11-08 |
Family
ID=31555805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4341289U Pending JPH02134721U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02134721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013009032A (en) * | 2011-06-22 | 2013-01-10 | Mitsumi Electric Co Ltd | Oscillation circuit |
-
1989
- 1989-04-12 JP JP4341289U patent/JPH02134721U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013009032A (en) * | 2011-06-22 | 2013-01-10 | Mitsumi Electric Co Ltd | Oscillation circuit |