Substrate biasing circuit and semiconductor integrated circuit d

Details Substrate biasing circuit and semiconductor integrated circuit d Substrate biasing circuit and semiconductor integrated circuit d

1998-04-08

2000-06-13

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327535, G05F 302

Patent

active

060754044

ABSTRACT:
A substrate biasing circuit includes a logical threshold potential output circuit including transistors formed on a semiconductor substrate and generating a logical threshold potential. A potential compare control circuit compares the logical threshold potential with a reference potential and generating a control potential based on a comparison result. A substrate bias generating circuit generates, as long as the control potential indicates that the logical threshold potential is not equal to the reference potential, a substrate potential applied to the semiconductor substrate so that the logical threshold potential is equal to the reference potential, and stops operating after the logical threshold potential becomes equal to the reference potential. A switch circuit breaks a pass-through current path formed in the logical threshold potential output circuit when the control potential indicates that the logical threshold potential becomes equal to the reference potential.

REFERENCES:
patent: 5329168 (1994-07-01), Sugibayashi et al.
patent: 5347172 (1994-09-01), Cordoba et al.
patent: 5506540 (1996-04-01), Sakurai et al.
patent: 5694072 (1997-12-01), Hsiao et al.

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