Latch and frequency divider
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Oct 7, 2015
filing date -
May 29, 2015
priority date (Note) -
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Abstract
A latch and a frequency divider are provided. The latch includes: a first logic unit coupled between a power supply and a ground wire, wherein the first logic unit includes a first input terminal and a first output terminal; a second logic unit having a structure symmetrical to that of the first logic unit, wherein the second logic unit includes a second input terminal and a second output terminal; and a first feedforward control unit adapted for cutting off a first current path, wherein the first feedforward control unit includes a first clock signal input terminal adapted for receiving a first clock signal, a third output terminal coupled to the first output terminal, and at least two feedforward control terminals, at least one of which is coupled to the first input terminal or the second input terminal. Power consumption of the latch and the frequency divider can be reduced.
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