Apparatus, system, and method for synchronizing signals...

Details Apparatus, system, and method for synchronizing signals... Apparatus, system, and method for synchronizing signals...

2002-12-20

2008-10-07

Tran, Khai (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

Reexamination Certificate

active

07433439

ABSTRACT:
A phase shift apparatus, system and method are described herein for synchronizing output signals upon one or more components of a synchronous system. In one embodiment, the phase shift apparatus may be implemented as a clock generation circuit, which is configured to provide synchronous clocking signals to one or more components of the synchronous system. In another embodiment, the phase shift apparatus may be implemented as a data interface circuit, which is configured to provide error-free data transmission within a synchronous system. In either embodiment, the phase shift apparatus is configured to shift the plurality of signals by programmable first phase shift amounts prior to shifting the plurality of signals by programmable second phase shift amounts. As such, the phase shift apparatus is adapted to substantially eliminate clock skew, data skew and/or jitter, which may otherwise adversely affect the synchronous system. In addition, the phase shift apparatus is adapted to provide a phase resolution, which allows accurate control of such timing delays at substantially any operating frequency.

REFERENCES:
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patent: 6859648 (2005-02-01), Hamada et al.
patent: 2002/0183018 (2002-12-01), Veit

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