Clock data recovery circuit and display device including the same
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United States of America Patent
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Dec 27, 2022
Grant Date -
Mar 25, 2021
app pub date -
Jun 26, 2020
filing date -
Sep 19, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A clock data recovery circuit includes the following elements: a phase detector for outputting a phase adjustment signal by comparing a clock signal of a first node and an input signal; a charge pump for adjusting a charge amount of a second node according to the phase adjustment signal; a first switch including one end coupled to the second node and including another end coupled to a third node; a second switch including one end which receives a bias voltage and including another end coupled to the third node; a capacitor including a first electrode coupled to the third node; third switches; and voltage control oscillators including control terminals coupled to the third node and including output terminals coupled to the first node through the third switches.
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