Phase detector for a programmable clock synchronizer

Details Phase detector for a programmable clock synchronizer Phase detector for a programmable clock synchronizer

2006-02-21

2006-02-21

Mis, David (Department: 2817)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By phase

C327S002000

Reexamination Certificate

active

07002376

ABSTRACT:
A phase detector in a programmable clock synchronizer for effectuating data transfer between first circuitry disposed in a first clock domain that is clocked with a first clock signal and second circuitry disposed in a second clock domain that is clocked with a second clock signal. The phase detector includes means for sampling the second clock signal with the first clock signal to generate a sampled clock signal. By tracking movement in a predetermined transition in the sampled clock signal, the phase detector is operable to determine the phase difference between the first and second clock signals.

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