JPS6277927U - - Google Patents
Info
- Publication number
- JPS6277927U JPS6277927U JP17108085U JP17108085U JPS6277927U JP S6277927 U JPS6277927 U JP S6277927U JP 17108085 U JP17108085 U JP 17108085U JP 17108085 U JP17108085 U JP 17108085U JP S6277927 U JPS6277927 U JP S6277927U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- switching element
- supply voltage
- turned
- reset
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
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。
主な図番の説明、１５…電源回路、１５ｂ…第
１の電源端子、１５ｃ…第２の電源端子、１６…
制御部、１７，１９，２５…トランジスタ、３０
…コンデンサ。
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. Explanation of main drawing numbers, 15...power supply circuit, 15b...first power supply terminal, 15c...second power supply terminal, 16...
Control unit, 17, 19, 25...transistor, 30
...capacitor.
Claims (1)
該第１の電源電圧よりも立下り特性の遅い第２の
電源電圧を各々第１及び第２の電源端子から出力
する電源回路と、制御部及びアース間に接続され
、前記制御部の動作をバツクアツプするバツクア
ツプ素子と、前記第１の電源端子と接続され、前
記第１の電源電圧の入力を検出する検出用スイツ
チング素子と、前記第２の電源端子及び制御部間
に接続され、前記検出用スイツチング素子のオン
に伴つてオンする前記バツクアツプ素子の逆流阻
止スイツチング素子と、前記検出用及び逆流阻止
用スイツチング素子のオンに伴つてオンし、前記
制御部と接続されたその出力端からリセツト信号
を出力するリセツト用スイツチング素子より成る
ことを特徴とするリセツト回路。 A power supply circuit that is turned on by power input and outputs a first power supply voltage and a second power supply voltage having a falling characteristic slower than the first power supply voltage from first and second power supply terminals, respectively; and a control unit. and ground, and backs up the operation of the control section; a detection switching element, which is connected to the first power supply terminal and detects input of the first power supply voltage; A backflow blocking switching element of the backup element is connected between a power supply terminal and a control unit and is turned on when the detection switching element is turned on; 1. A reset circuit comprising a reset switching element that outputs a reset signal from its output terminal connected to a control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17108085U JPS6277927U (en) | 1985-11-06 | 1985-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17108085U JPS6277927U (en) | 1985-11-06 | 1985-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277927U true JPS6277927U (en) | 1987-05-19 |
Family
ID=31106387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17108085U Pending JPS6277927U (en) | 1985-11-06 | 1985-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277927U (en) |
-
1985
- 1985-11-06 JP JP17108085U patent/JPS6277927U/ja active Pending
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