LSI for signal transmission
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United States of America Patent
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-
Nov 10, 1998
Grant Date -
N/A
app pub date -
Sep 14, 1994
filing date -
Sep 16, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A large scale integrated circuit has a first circuit section with input terminals external of the integrated circuit connected to output terminals of a second portion of the integrated circuit for use in an environment not requiring intrinsic safety. When the circuit is to be installed in an environment requiring intrinsic safety the external connectors are disconnected from one another. An excess voltage suppression circuit is connected to the external connections of the second circuit section.
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