Internal-voltage generating circuit and semiconductor device...

Details Internal-voltage generating circuit and semiconductor device... Internal-voltage generating circuit and semiconductor device...

2011-01-11

2011-01-11

Lam, David (Department: 2827)

Static information storage and retrieval

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C365S189090, C365S230060, C365S189110

Reexamination Certificate

active

07869299

ABSTRACT:
An internal-voltage generating circuit includes a plurality of generating units connected in cascade, out of the plurality of generating units, a generating unit of relatively lower level is activated by an output of a generating unit of relatively higher level. According to the present invention, because the plural voltage generating units are connected in cascade, the voltage generating unit of lower level is not activated unless the voltage generating unit of higher level is activated. Therefore, at least the voltage generating unit of the second level and the subsequent voltage generating units consume very small power during the standby time. Consequently, total power consumption of the internal-voltage generating circuit can be reduced.

REFERENCES:
patent: 7142045 (2006-11-01), Mo et al.
patent: 7646652 (2010-01-01), Byeon
patent: 2005-038502 (2005-02-01), None
patent: 2005-071556 (2005-03-01), None
patent: 2006-180255 (2006-07-01), None

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