Bidirectional tristate buffer with default input
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Jul 26, 1995
filing date -
Jul 26, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A bidirectional tristate buffer includes a default input such that the signal applied to one of the lines connected to the bidirectional buffer is always applied to the input terminal of a buffer element in the bidirectional buffer and applied by the output terminal of the buffer element to any load which may be driven by the buffer output terminal. In a preferred embodiment, the tristate bidirectional buffer with default input requires only four transistors plus the transistors which comprise the buffer element and memory cells for controlling the direction.
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