Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – Having selection between plural continuous waveforms
Reexamination Certificate
2011-03-22
2011-03-22
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
Having selection between plural continuous waveforms
C327S298000
Reexamination Certificate
active
07911240
ABSTRACT:
Clock switch-over circuits and methods provide clock signals to clock routing networks. According to one embodiment, a multiplexer selects between a first clock signal and a second clock signal in response to a switch select signal received from a control circuit. A storage circuit stores an enable signal in response to an output clock signal of the multiplexer. A logic circuit transmits the output clock signal of the multiplexer to a clock routing network in response to the enable signal from the storage circuit. At least one signal is transmitted from the clock switch-over circuit to the control circuit.
REFERENCES:
patent: 6559679 (2003-05-01), Kim
patent: 7068080 (2006-06-01), Sanders
patent: 7109752 (2006-09-01), Schmit et al.
Marcovitz, Alan; Introduction to Logic Design; 2005; McGraw Hill; Second Edition; p. 367.
“Stratix II Architecture,” Altera Corporation, Dec. 2005, pp. 2-1, and 2-53 through 2-57.
Betz Vaughn
Fung Ryan
Lai Gary
LeBlanc Marcel A.
Lee Andy L.
Altera Corporation
Cahill Steven J.
Donovan Lincoln
Poos John W
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