Appeal No. 1997-2057
Application No. 08/287,670
the integrated circuit substrate being a means for
constructing and interconnecting electrical circuits,
the internal functional circuit being a means for
performing an electrical function,
the variable power source means for converting a voltage
within a specified range of values present at the a power
input terminal to a first electrically selectable voltage with
a specified range of values at a power output terminal in
response to the assertion of said second externally generated
electrical signal, the power input terminal being connected to
said external power supply and the power output terminal being
connected to one or more power input networks of the internal
functional circuit,
and for converting the voltage within a specified range
of values present at the power input terminal to a second
electrically selectable voltage with a specified range of
values
at the power output terminal in response to the deassertion of
said second externally generated electrical signal, the power
input terminal being connected to said external power supply
and the power output terminal being connected to one or more
power input networks of the internal functional circuit, the
second electrically selectable voltage being of a value less
than the first electrically selectable voltage,
the switching means for coupling said first electrical
signals passed between the external functional circuit and the
internal functional circuit in response to the assertion of
said second externally generated electrical signal,
and for uncoupling said first electrical signals passed
between the external functional circuit and the internal
functional circuit in response to the deassertion of said
second externally generated electrical signal,
the improvement allowing the management of power to be
distributed and decentralized onto the individual integrated
circuit substrate where the application of power is to be
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