Semiconductor integrated circuit having a substrate back bias vo

Details Semiconductor integrated circuit having a substrate back bias vo Semiconductor integrated circuit having a substrate back bias vo

1996-03-15

1998-02-24

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327537, 327538, 327534, G05F 110

Patent

active

057215103

ABSTRACT:
In a semiconductor integrated circuit including a substrate back bias voltage generating circuit composed of a substrate back bias voltage generating circuit, and a power supply voltage detecting circuit for comparing a reference voltage with a power supply voltage and for generating a power supply voltage detecting signal which is brought to the first level when the power supply voltage is higher than the reference voltage, and to a second level when the power supply voltage is not higher than the reference voltage. A substrate leak control circuit generates a leak control pulse when the power supply voltage detecting signal changes from the first level to the second level. A substrate leak circuit responds to the leak control pulse so as to connect the substrate to a predetermined potential through a resistive means having a predetermined resistance value.

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