Pulse or digital communications – Transmitters
Reexamination Certificate
2008-05-20
2008-05-20
Payne, David (Department: 2611)
Pulse or digital communications
Transmitters
C375S316000
Reexamination Certificate
active
10931166
ABSTRACT:
An example embodiment is directed to an arrangement and method for phase-aligning digital data to be sent by transmit-data modules over respectively-situated serial links. A reference clock signal is communicatively coupled to each transmit-data module, each transmit-data module having a data driver and a clock circuit. At the serial links, each respective data driver sends digital data in response to a clock-output signal and a phase-adjusted clock-load signal that is used to load the data driver. The phase of the clock-load signal is adjusted relative to misalignment between the clock-load signal and the reference clock signal so that each data driver loads the digital data in a time-aligned manner for link transmission. The present invention is useful in applications involving programmable logic devices and other skew-susceptible parallel transmission arrangements.
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Maunu LeRoy D.
Payne David
Stevens Brian J
Xilinx , Inc.
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