Apparatuses and methods for timing skew calibration
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United States of America
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Feb 25, 2025
Grant Date -
May 30, 2024
app pub date -
Aug 2, 2023
filing date -
Aug 2, 2023
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Abstract
An apparatus and method for timing skew calibration. For example, the apparatus may include an analog-to-digital conversion circuit configured to sample an input signal based on a clock signal and convert the sampled input signal into a digital code, a skew detection circuit configured to calculate a first sum of standard deviations for respective levels of the digital code, compare the first sum of the standard deviations with a previously calculated second sum of standard deviations, and select a smaller value from among the first sum and the second sum, and a compensation circuit configured to compensate for a skew of the clock signal based on the selected one of the first sum and the second sum.
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