Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-08-14
2007-08-14
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S291000, C365S227000
Reexamination Certificate
active
10628384
ABSTRACT:
Resistance elements are inserted into a main power supply line and a main ground line so that offset differential amplifiers receive voltages developed across the same. The differential amplifiers control transistors connected to a sub power supply line and a sub ground line. Thus, a leakage current flowing from the sub power supply line to the main ground line and that flowing from the main power supply line to the sub ground line are regularly kept constant. Consequently, it is possible to prevent an operation delay in an initial stage of a standby state while keeping an effect of reducing a subthreshold leakage current in a semiconductor circuit device having a hierarchical power supply structure.
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Hidaka Hideto
Ooishi Tsukasa
Luu An T.
Renesas Technology Corp.
Wells Kenneth B.
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