JPS647430U - - Google Patents
Info
- Publication number
- JPS647430U JPS647430U JP10065687U JP10065687U JPS647430U JP S647430 U JPS647430 U JP S647430U JP 10065687 U JP10065687 U JP 10065687U JP 10065687 U JP10065687 U JP 10065687U JP S647430 U JPS647430 U JP S647430U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- resistor
- power supply
- reset
- inverter
- 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
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案のリセツト回路の一実施例を示
す回路図、第２図は従来のリセツト回路を示す回
路図である。
図面において、２はコンデンサ、３，４はイン
バータ、５は出力端子、１１はツエナーダイオー
ド、１２は抵抗である。
FIG. 1 is a circuit diagram showing an embodiment of the reset circuit of the present invention, and FIG. 2 is a circuit diagram showing a conventional reset circuit. In the drawing, 2 is a capacitor, 3 and 4 are inverters, 5 is an output terminal, 11 is a Zener diode, and 12 is a resistor.
Claims (1)
ンサを備え、このコンデンサの充電中にリセツト
信号であるローレベル信号を出力するためのイン
バータとを有するリセツト回路において、前記電
源と前記コンデンサ間に接続されたツエナーダイ
オードと、前記コンデンサと並列に接続された抵
抗とを有し、前記コンデンサと前記抵抗との接続
点に前記インバータが接続されていることを特徴
とするリセツト回路。 (2) 実用新案登録請求の範囲第１項において、
前記ツエナーダイオードは、前記電源電圧が所定
の値以上に上昇したときは、予め設定された電圧
値のみを前記コンデンサおよび抵抗に印加するよ
うに設定されていることを特徴とするリセツト回
路。[Claims for Utility Model Registration] (1) A reset circuit comprising a capacitor charged by a power supply voltage from a power supply and an inverter for outputting a low level signal as a reset signal while the capacitor is being charged, A reset device comprising a Zener diode connected between a power source and the capacitor, and a resistor connected in parallel with the capacitor, and the inverter is connected to a connection point between the capacitor and the resistor. circuit. (2) In paragraph 1 of the claims for utility model registration,
The reset circuit is characterized in that the Zener diode is set to apply only a preset voltage value to the capacitor and resistor when the power supply voltage rises above a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10065687U JPS647430U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10065687U JPS647430U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647430U true JPS647430U (en) | 1989-01-17 |
Family
ID=31328926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10065687U Pending JPS647430U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647430U (en) |
-
1987
- 1987-06-30 JP JP10065687U patent/JPS647430U/ja active Pending
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