Frequency-voltage conversion circuit, semiconductor device, and memory system
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United States of America Patent
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Jan 24, 2023
Grant Date -
Sep 15, 2022
app pub date -
Aug 27, 2021
filing date -
Mar 15, 2021
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Abstract
A frequency-voltage conversion circuit includes a constant current source, a first switch connected to an output of the constant current source, a first capacitor connected between the first switch and ground, a second switch connected between a first node that is between the first switch and the first capacitor, and an output node, a third switch connected between the first node and the ground, a fourth switch connected to the output of the constant current source, a second capacitor connected between the fourth switch and the ground, a fifth switch connected between a second node that is between the fourth switch and the second capacitor, and the output node, and a sixth switch connected between the second node and the ground.
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