Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With bootstrap circuit
Patent
1997-01-31
1998-05-26
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With bootstrap circuit
327536, 327390, G05F 110
Patent
active
057572283
ABSTRACT:
An improved output driver circuit for a semiconductor integrated circuit device is provided. The output driver circuit receives a type select signal (.phi.1, /.phi.1) determined by bonding selection. When a heavy load circuit is connected to an output terminal (DQ), a signal (.phi.1) of low level and a signal (/.phi.1) of high level are provided, whereby transistors (18, 19) are turned on simultaneously in response to a data signal (Mo). When a light load circuit is connected to the terminal (DQ), a signal (.phi.1) of high level and a signal (/.phi.1) of low level are provided, whereby transistors (18, 19) are turned on at a different timing. More specifically, following charging of a light load by a transistor (18) having low mutual conductance, a transistor (19) is turned on. Therefore, noise generation can be flexibly suppressed by bonding selection.
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Furutani Kiyohiro
Ozaki Hideyuki
Callahan Timothy P.
Kim Jung Ho
Mitsubishi Denki & Kabushiki Kaisha
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