Output driver transistor with multiple gate bodies

Details Output driver transistor with multiple gate bodies Output driver transistor with multiple gate bodies

1995-12-22

1997-10-14

Thomas, Tom

Active solid-state devices (e.g., transistors, solid-state diode

Gate arrays

Having specific type of active device

257401, 257208, 327399, 327566, H01L 2978

Patent

active

056775555

ABSTRACT:
Method and apparatus for controlling an output transistor in an output driver circuit. In one embodiment of the invention, an input signal is routed to a first gate body which is disposed over a first channel region in a substrate. The first gate body has a first resistance to the input signal and delays the input signal through the first gate body to provide a delayed input signal. This delayed input signal is routed to a second gate body which is disposed over a second channel region in the substrate. The first gate body is coupled to the second gate body to provide the delayed input signal to the second gate body. According to one embodiment of the invention, the transistor includes the first gate body coupled to an input signal and coupled to the second gate body to receive the input signal through the first resistance of the first gate body. The first gate body produces a field in the first channel region in response to the input signal before the second gate body produces a field in the second channel region.

REFERENCES:
patent: 4516312 (1985-05-01), Tomita
patent: 5229667 (1993-07-01), Shimizu
patent: 5563439 (1996-10-01), Chung et al.

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