CLOCK HAND-OFF CIRCUIT
First Claim
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1. A clock hand-off circuit comprising:
- a first latch configured to latch input data using a first clock;
a second latch configured to latch output data of the first latch using a third clock having the same frequency as that of the first clock; and
a third latch configured to latch output data of the second latch using a second clock having a frequency that is N (N represents an integer) times the frequency of the first clock and the third clock,wherein there is a frequency multiplication/division relation between the second clock and the third clock.
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Abstract
A second latch latches the output data of a first latch using a third clock having the same frequency as that of a first clock. A third latch latches the output data of the second latch using a second clock having a frequency N (N represents an integer) times that of the first clock and the third clock. The second clock and the third clock have a frequency division/multiplication relation therebetween.
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Citations
9 Claims
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1. A clock hand-off circuit comprising:
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a first latch configured to latch input data using a first clock; a second latch configured to latch output data of the first latch using a third clock having the same frequency as that of the first clock; and a third latch configured to latch output data of the second latch using a second clock having a frequency that is N (N represents an integer) times the frequency of the first clock and the third clock, wherein there is a frequency multiplication/division relation between the second clock and the third clock. - View Dependent Claims (9)
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2. A clock hand-off circuit comprising:
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a first latch configured to latch input data using a first clock; a frequency dividing circuit configured to generate a third clock by dividing the frequency of a second clock having a frequency that is N times that of the first clock; a second latch configured to latch output data of the first latch using the third clock; and a third latch configured to latch output data of the second latch using the second clock. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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Specification