发明名称 |
Power-on reset circuit for generating a reset pulse signal upon detection of a power supply voltage |
摘要 |
A power-on reset circuit includes a capacitor, an inverter, a resistor and first and second transistors which are connected in series between a power supply line and ground. The electric current flowing through the resistor flow through the first and second transistors with a certain time delay because of an electric charge stored in the capacitor. A rising of a power supply voltage is applied to the inverter with a certain time delay when the power supply voltage goes up. According to the power-on reset circuit, a reset pulse can be generated regardless a speed of rising of the power supply voltage.
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申请公布号 |
US6335646(B1) |
申请公布日期 |
2002.01.01 |
申请号 |
US20000552315 |
申请日期 |
2000.04.19 |
申请人 |
OKI ELECTRIC INDUSTRY CO., LTD. |
发明人 |
NAGATOMO SHIGERU |
分类号 |
H03K17/22;(IPC1-7):H03K17/22 |
主分类号 |
H03K17/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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