Substrate potential control circuit capable of making a substrat

Details Substrate potential control circuit capable of making a substrat Substrate potential control circuit capable of making a substrat

1997-04-11

2000-02-01

Kim, Jung Ho

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327536, 327538, 327543, G05F 110

Patent

active

060207809

ABSTRACT:
In a substrate potential control circuit, first and second substrate potential detection circuits have different intersected characteristics of Vcc versus V.sub.SUB detection level and produce, in response to a substrate potential V.sub.SUB, first and second substrate potential detection signals SUBUP1 and SUBUP2, respectively. A composition circuit composes the first and the second substrate potential detection signals SUBUP1 and SUBUP2 to produce a composite substrate potential detection signal SUBUP. Responsive to the composite substrate potential detection signal SUBUP, a back bias generation circuit generates a back bias signal BBG. Responsive to the back bias signal BBG, a pumping circuit makes the substrate potential V.sub.SUB by pumping.

REFERENCES:
patent: 5034625 (1991-07-01), Min et al.
patent: 5396114 (1995-03-01), Lee et al.
patent: 5506540 (1996-04-01), Sakurai et al.
patent: 5629646 (1997-05-01), Menezes et al.

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