Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2007-07-24
2007-07-24
Le, Don (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S027000
Reexamination Certificate
active
11206045
ABSTRACT:
The semiconductor device according to the present invention comprises an output MOS transistor M0, an MOS transistor M3connected between a gate G1of the output MOS transistor M0and a ground voltage GND, a parasitic transistor Tr1which is formed in parallel with the MOS transistor M3with the substrate terminal of the MOS transistor M3as a base, and a parasitic transistor control circuit for controlling the conducting status of the parasitic transistor Tr1based on the power supply voltage Vcc.
REFERENCES:
patent: 6661260 (2003-12-01), Nakahara et al.
patent: 7170732 (2007-01-01), Andersen et al.
patent: 2003/0169025 (2003-09-01), Finney
patent: 2001-160746 (2001-06-01), None
Le Don
McGinn IP Law Group PLLC
NEC Electronics Corporation
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