Electronic digital logic circuitry – Multifunctional or programmable – Sequential or with flip-flop
Reexamination Certificate
2008-05-06
2008-05-06
Chang, Daniel (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Sequential or with flip-flop
C326S038000
Reexamination Certificate
active
11454315
ABSTRACT:
The present invention incorporates level-shifting functions within a multiplexer circuit that may be implemented in IC devices having low and high voltage domains. The multiplexer circuit utilizes pseudo-differential multiplexing architectures and employs level-shifting techniques to convert low-voltage signals received from the low-voltage domain into high-voltage signals more suitable for controlling the propagation of a selected input signal through the pass gates of the multiplexer circuit. For some embodiments, some of the select signals may be decoded to generate a number of decoded select signals that can be used to control the selective routing of signals through the multiplexer.
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Kao Sean W.
Rahman Arifur
Chang Daniel
Paradice III William L.
XILINX Inc.
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