Patent ID: 6094063
Filing Date: 2000-07-25
Classification: H03K

Abstract:
An interface device having an output configuration for selectively converting logic signals of a first voltage level to logic signals of a second voltage level in response to a control signal indicative of whether logic signals on an associated target device are of the first or second voltage level, the output configuration comprising:a de-multiplexer having an input terminal coupled to receive an output signal of an associated logic circuit, a control terminal coupled to receive a control signal, and first and second output terminals, the first de-multiplexer output terminal being connected to the target device; anda switch having a first terminal coupled to the second de-multiplexer output terminal, a second terminal coupled to the target device, and a control terminal coupled to receive the control signal, the switch providing a voltage drop between the second de-multiplexer output terminal and the target device.