Patent ID: 6437610
Filing Date: 2002-08-20
Classification: H03K

Abstract:
A high-speed output driver, comprising:a driver stage having an output providing an output current and an output resistance, said driver stage including at least one CMOS inverter acting as an amplifier for high-frequency digital signals, said at least one CMOS inverter including a first inverter having transistors including an n-channel transistor and a complimentary p-channel transistor connected in series with said n-channel transistor, said at least one CMOS inverter defining said output of said driver stage; sensor elements for detecting parameters of said transistors; and a switching device connected to said sensor elements; said switching device controlling or regulating, as a function of said parameters detected by said sensor elements, said output current of said driver stage to a substantially constant value and said output resistance of said driver stage to a substantially constant value.