Analog switch structure having low leakage current
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United States of America Patent
Stats
-
Oct 1, 1985
Grant Date -
N/A
app pub date -
Aug 4, 1983
filing date -
Aug 4, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An analog switch structure which utilizes three switches and has low leakage current is provided. A first switch couples an input terminal to a node in response to a control signal. A second switch connects the node to an output terminal in response to the control signal. A buffer circuit is connected to the output terminal for providing a buffered output signal. A third switch is connected between the buffered output signal and the node to selectively connect the buffered output signal to the node, thereby maintaining zero voltage potential across the second switch.
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