Apparatuses, methods, and circuits including a duty cycle adjustment circuit
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United States of America Patent
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Aug 9, 2016
Grant Date -
Nov 26, 2015
app pub date -
May 22, 2014
filing date -
May 22, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatuses, methods, and duty cycle correction circuits are described. An example apparatus includes a duty cycle correction (DCC) adjustment circuit configured to receive an input signal, and to adjust a duty cycle of the input signal to provide an output signal. The DCC circuit including a coarse adjust control circuit configured to adjust the duty cycle of the input signal by a first amount that is equal to one or more unit adjustments, and a fine adjust control circuit that is configured to adjust the duty cycle of the input signal responsive to a pulse signal by a second amount that is less than the unit adjustment.
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