Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2009-09-15
2011-11-22
Tra, Quan (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
Reexamination Certificate
active
08063693
ABSTRACT:
A charge pump latch circuit is provided that includes at least one first and at least one second charge pump stage interconnected by an intermediate circuit node, and a stabilization stage connected to the intermediate circuit node and to control terminals of transistors of the first and second charge pump stages. The stabilization stage includes at least one first pair and at least one second pair of first and second enable terminals receiving suitable and distinct phase signals that ensure the turn-off of the stabilization stage during overlapping periods of the phase signals. Also provided is a method for using a stabilization stage to drive transistors in first and second charge pump stages that are interconnected by an intermediate circuit node.
REFERENCES:
patent: 7583132 (2009-09-01), Conte et al.
patent: 2001/0026187 (2001-10-01), Oku
patent: 2002/0084834 (2002-07-01), Nakamura
patent: 2004/0239409 (2004-12-01), Jang et al.
patent: 2006/0244516 (2006-11-01), Lee et al.
patent: 1 881 589 (2008-01-01), None
Search Report for corresponding European Patent Application EP 08 42 5608.
Conte Antonino
Matranga Giovanni
Ucciardello Carmelo
Bongini Stephen
Fleit Gibbons Gutman Bongini & Bianco P.L.
Jorgenson Lisa K.
STMicroelectronics S.r.l.
Tra Quan
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