JPS62132472U - - Google Patents
Info
- Publication number
- JPS62132472U JPS62132472U JP1822686U JP1822686U JPS62132472U JP S62132472 U JPS62132472 U JP S62132472U JP 1822686 U JP1822686 U JP 1822686U JP 1822686 U JP1822686 U JP 1822686U JP S62132472 U JPS62132472 U JP S62132472U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- supply voltage
- detects
- detection circuit
- 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 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案による電圧低下検出回路の一実
施例を示す回路図、第２図は同実施例の動作例を
説明するための波形図である。
１……マイクロコンピユータ、２，３……抵抗
、４……トランジスタ。
FIG. 1 is a circuit diagram showing an embodiment of a voltage drop detection circuit according to the present invention, and FIG. 2 is a waveform diagram for explaining an example of the operation of the embodiment. 1...Microcomputer, 2, 3...Resistor, 4...Transistor.
Claims (1)
圧低下検出回路において、前記電源電圧を分圧す
る２つの抵抗と、これらの抵抗によつて得られた
分圧電圧が閾値より低下したときに前記電源電圧
が低下したことを示す信号を出力するトランジス
タとを備えたことを特徴とする電圧低下検出回路
。 A voltage drop detection circuit that detects a drop in the power supply voltage includes two resistors that divide the power supply voltage, and a circuit that detects the power supply voltage when the divided voltage obtained by these resistors falls below a threshold. A voltage drop detection circuit comprising: a transistor that outputs a signal indicating that the voltage has dropped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1822686U JPS62132472U (en) | 1986-02-13 | 1986-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1822686U JPS62132472U (en) | 1986-02-13 | 1986-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132472U true JPS62132472U (en) | 1987-08-21 |
Family
ID=30811705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1822686U Pending JPS62132472U (en) | 1986-02-13 | 1986-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132472U (en) |
-
1986
- 1986-02-13 JP JP1822686U patent/JPS62132472U/ja active Pending