Integrated semiconductor circuit
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Dec 10, 2007
filing date -
Dec 9, 2006
priority date (Note) -
Abandoned
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Abstract
An integrated semiconductor circuit is provided with a connection node, which is provided for decoupling electric signals, and with a plurality of electric signal lines, which are formed to provide in-circuit signals, particularly test signals, to the connection node. An in-circuit release device, which can be switched between a release state to release the signal line and a blocking state to block the signal line, is looped in the signal lines. The release device has switching means, which are formed in such a way that the blocking state for the signal line is assured irrespective of a signal or test signal electric potential applied to the signal line. The release device furthermore, has control means, which are provided for controlling the switching means. The control means can be formed in such a way that a cross-current-free release of the specific signal line is assured.
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