Programmable interconnect point having reduced crowbar current
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United States of America Patent
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Apr 27, 1999
Grant Date -
N/A
app pub date -
Mar 27, 1997
filing date -
Mar 27, 1997
priority date (Note) -
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Abstract
Problems associated with excessive crowbar current due to input signal transitions at a buffered programmable interconnect point are solved by inserting a transistor switch between power and ground. The inserted switch is in series with the input buffer and is controlled by a memory cell which also controls the pass/no-pass state of the interconnect. An OFF inserted switch blocks current that flows during switching when the memory cell output causes a no-pass state of the interconnect.
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