Semiconductor switch circuit

Details Semiconductor switch circuit Semiconductor switch circuit

2011-06-14

2011-06-14

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S434000, C327S437000, C327S534000, C327S536000, C327S537000

Reexamination Certificate

active

07961031

ABSTRACT:
A semiconductor switch circuit is provided that enables current consumption to be reduced even in a conduction state. A semiconductor switch circuit100has P-type MOS transistors Q101and Q102for conduction that share a source and are connected in series between an input/output terminal101and input/output terminal102, a P-type MOS transistor Q103and N-type MOS transistor Q105having drains connected to the gate of Q101, a P-type MOS transistor Q104and N-type MOS transistor Q106having drains connected to the gate of Q102, and a control terminal103connected to the gates of the transistors. Further semiconductor switch circuit100is configured with the sources and back gates of Q103and Q104connected to the sources of Q101and Q102. Therefore, it is possible to switch the path between input/output terminal101and input/output terminal102between a conduction state and non-conduction state by means of voltage control by voltage value Vcont of a control signal applied to control terminal103.

REFERENCES:
patent: 6046626 (2000-04-01), Saeki et al.
patent: 2004/0174203 (2004-09-01), Wodnicki
patent: 2005/0264341 (2005-12-01), Hikita et al.
patent: 63-227215 (1988-09-01), None
patent: 2000-77963 (2000-03-01), None
patent: 2000-341144 (2000-12-01), None

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