Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Converging with plural inputs and single output
Patent
1996-04-17
1998-04-28
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Converging with plural inputs and single output
327408, H03K 17693
Patent
active
057449953
ABSTRACT:
A six-input multiplexer is disclosed using only two transistors in the signal path from an input port to the output port. The multiplexer uses control signals that are not decoded. The multiplexer uses three control signals and requires that the control signal combinations 000 and 111 not be used. The other six control signal combinations 001, 010, 011, 100, 101, and 110 can be used to select between six input signals by placing only two transistors in the signal path, taking advantage of the fact that two of the three control signals are the same and the third is different from the other two. A compact layout results when two multiplexers use common input signals.
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Callahan Timothy P.
Nu Ton My-Trang
Tachner Adam H.
Xilinx , Inc.
Young Edel M.
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