Circuit for the glitch-free changeover of digital signals
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United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Aug 6, 1998
filing date -
Aug 6, 1997
priority date (Note) -
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Abstract
A circuit for the glitch-free changeover between digital signals includes a multiplexer having a multiplicity of signal input terminals, signal select terminals and a signal output terminal. Furthermore, the circuit includes a counter logic unit for counting pulses in the output signal of the multiplexer and for outputting a count signal when a specific count value is reached. A delay logic unit delays a multiplexer select signal and outputs a switching signal and a delayed multiplexer select signal. During a set switching signal the counter logic unit is activated and the circuit output is deactivated.
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