Semiconductor integrated circuit device
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United States of America Patent
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Feb 22, 1994
Grant Date -
N/A
app pub date -
Apr 17, 1992
filing date -
Apr 18, 1991
priority date (Note) -
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Abstract
An intermediate voltage generating circuit for generating a voltage lying between an external power supply voltage and a ground voltage, and two voltage limiter circuits for generating internal power supply voltages and stabilized with this intermediate voltage as a reference are provided in a semiconductor integrated circuit. Even if the external power supply voltage or the ground voltage fluctuates, no disagreement is produced between a logical threshold of a circuit operating on the external power supply voltage and a logical threshold of a circuit operating on the internal power supply voltage.
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