Clock generating circuit and method for generating clock signal
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United States of America Patent
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Jul 2, 2024
Grant Date -
Aug 10, 2023
app pub date -
Jan 13, 2023
filing date -
Feb 10, 2022
priority date (Note) -
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Abstract
A clock generating circuit includes a control circuit and a phase interpolator. The control circuit converts an input signal to generate an encoded signal having multiple bits and adjusts arrangement of the bits according to a pointer to generate a control signal having multiple control bits. The phase interpolator includes a first driving circuit, a second driving circuit and an output terminal configured to output an interpolated clock signal. The first driving circuit receives a first clock signal and includes multiple first driving units that are turned on or off to drive the first clock signal in response to multiple first control bits in the control bits. The second driving circuit receives a second clock signal and includes multiple second driving units that are turned on or off to drive the second clock signal in response to multiple second control bits in the control bits.
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