Memory device and clock locking method thereof
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United States of America Patent
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Sep 27, 2022
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N/A
app pub date -
Apr 8, 2021
filing date -
Sep 15, 2020
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Abstract
A clock locking method of a memory device, may include performing an initial locking operation in a delay locked loop circuit before an internal voltage is stabilized, monitoring clock skew between a reference clock and a feedback clock using a window detection circuit after the internal voltage is stabilized, and performing a re-locking operation in the delay locked loop circuit using a dynamic delay control corresponding to the clock skew.
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