Input receiver circuit and adaptive feedback method
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United States of America Patent
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Sep 15, 2020
Grant Date -
Apr 9, 2020
app pub date -
Oct 5, 2018
filing date -
Oct 5, 2018
priority date (Note) -
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Abstract
An adaptive feedback method for use in a memory device is provided. The memory device includes a first input-receiver circuit and a plurality of second input-receiver circuits. The method includes the steps of: providing a clock signal and an inverted clock signal to the first input-receiver circuit; generating an enable control signal by the first input-receiver circuit to control a first feedback path in the first input-receiver circuit; in response to the frequency of the clock signal and the inverted clock signal being higher than or equal to a predetermined frequency, activating the first feedback path in the first input-receiver circuit according to the enable control signal; and in response to the frequency of the clock signal and the inverted clock signal being lower than the predetermined frequency, deactivating the first feedback path in the first input-receiver circuit according to the enable control signal.
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