Abnormal power supply voltage detection device and method for detecting abnormal power supply voltage
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United States of America Patent
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Sep 19, 2023
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N/A
app pub date -
Dec 22, 2021
filing date -
Apr 22, 2020
priority date (Note) -
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Abstract
The abnormal power supply voltage detection device has a function of accurately detecting the abnormal voltage in accordance with the characteristics of the semiconductor element for each semiconductor chip. Circuit group for operating the adjustment function has a function of preventing the influence of the power supply voltage of the logic system such as control in the semiconductor product malfunctions becomes abnormal. Furthermore, it has a function of detecting the abnormal voltage of the various power supplies in the semiconductor product. It also has a function to test the abnormal voltage detection function in the normal power supply voltage range during use of semiconductor products.
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