Switchable bus termination and address selector
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United States of America Patent
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Apr 24, 1990
Grant Date -
N/A
app pub date -
Jan 6, 1989
filing date -
Jan 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switchable termination module for use with addressable devices on a communication bus has a terminator for each signal transmission path, a signal source, for example a switch for signalling whether termination is desired and a terminator control circuit for engaging and disengaging the terminators in response to the signal from the signal source. The control circuit has a transistor between the source of potential and the terminators to couple the terminators to the transmission paths when termination is desired. The switch which signals whether termination is desired may also be used to select the address for the device.
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