Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2009-09-10
2010-11-16
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
C327S539000
Reexamination Certificate
active
07834681
ABSTRACT:
A semiconductor integrated circuit comprises a first transistor which has one end connected to a first node where a first voltage is output, and which transfers the first voltage to an output terminal, a second transistor which has one end connected to a second node where the second voltage is output, and which transfers the second voltage to the output terminal, a third booster circuit which supplies a third voltage obtained by further boosting the first voltage to a control terminal of the first transistor, and a fourth booster circuit which supplies a fourth voltage obtained by further boosting the second voltage to a control terminal of the second transistor. The third booster circuit lowers a voltage supplied to the control terminal of the first transistor to turn off the first transistor at a time after discharging of the first node is started. The fourth booster circuit increases, in accordance with a signal from the third booster circuit, a voltage supplied to the control terminal of the second transistor to turn on the second transistor after the first transistor is turned off.
REFERENCES:
patent: 5644534 (1997-07-01), Soejima
patent: 6255896 (2001-07-01), Li et al.
patent: 6373327 (2002-04-01), Nakamura
patent: 6414881 (2002-07-01), Fujii et al.
patent: 7595682 (2009-09-01), Lin et al.
patent: 11-045125 (1999-02-01), None
patent: 2002-036197 (2002-02-01), None
Kabushiki Kaisha Toshiba
Tra Quan
Turocy & Watson LLP
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