Digital signal inversion employing cross-over switch
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United States of America Patent
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Nov 10, 1992
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N/A
app pub date -
Jul 31, 1990
filing date -
Jul 31, 1990
priority date (Note) -
Expired
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Abstract
A multi-stage adder has a plurality of parallel inputs some fed to one stage of the adder and other inputs fed to a next stage of the adder. To effect selective inversion of a pair of inputs one of the pair is connected to one stage and the other of the pair is connected to the next stage. A cross-over switch is provided on both inputs so that their connection to the two successive stages can be interchanged.
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