Semiconductor integrated circuit comprising first and second...

Details Semiconductor integrated circuit comprising first and second... Semiconductor integrated circuit comprising first and second...

2007-08-28

2007-08-28

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S112000

Reexamination Certificate

active

11203980

ABSTRACT:
Disclosed is a semiconductor integrated circuit that comprises first and second transmission systems, each comprising a plurality of transistors; and an output select unit. Transistors constituting said first transmission system comprise transistors having relatively high threshold values and being turned off and transistors having relatively low threshold values and being turned on, when the input signal supplied to said first transmission system takes a first value; and transistors constituting said second transmission system, comprise transistors having relatively high threshold values and being turned off and transistors have relatively low threshold values and being turned on, when an input signal supplied to said second transmission system assumes a second value. The output select unit, receiving outputs from said first and second transmission systems, outputs from an output terminal thereof an output of the transmission system where the relatively low threshold transistors are in an on-state, in active state, and said output select unit cuts off an output of the transmission system with an unstable output and outputs from said output terminal an output of the transmission system with a stable output, in a standby mode.

REFERENCES:
patent: 6774695 (2004-08-01), Hayashi et al.
patent: 6794909 (2004-09-01), Urakami et al.
patent: 2004/0227558 (2004-11-01), Hayashi et al.
patent: 6-208790 (1994-07-01), None
patent: 5-7147 (1998-01-01), None
patent: 2002-135107 (2002-05-01), None

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