International Business Machines Corporation

Timothy P Reed

Charles K Erdelyi

A driver circuit is provided which includes an output stage having first and second transistors and an output terminal, the first transistor being of a first type conductivity is coupled from the output terminal to a first point of reference potential and the second transistor being of a second type conductivity is coupled from the output terminal to a second point of reference potential. A first voltage divider includes transistors of the first type conductivity and a second voltage divider includes transistors of the second type conductivity. A second transistor of the first type conductivity is connected between the first point of reference potential and a control electrode of the first transistor of the first type conductivity and a second transistor of the second type conductivity is connected between the second point of reference potential and a control electrode of the first transistor of the second type conductivity. An input terminal and the output terminal are connected to the first and second voltage dividers, with an output from the first divider being connected to the control electrode of the first transistor of the second type conductivity and with an output of the second divider being connected to the control electrode of the first transistor of the first type conductivity. Transistors of the first and second type conductivities are preferably P-channel and N-channel field effect transistors, respectively.

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Cary, NC, United States of America

Timothy P Reed