Patent ID: 6597232
Filing Date: 2003-07-22
Classification: G06F,H04J

Abstract:
A multiplexer having a plurality of multiplexer devices, each one of the devices being adapted to couple a selected one of a plurality of 2C output/input ports, where C is an integer, to an input/output port of such device when an N bit device address code fed to such device matches an N bit device address wired to the device, such one of the output/input ports being selected in accordance with a C bit channel select code fed to the device, such multiplexer comprising:a plurality of cascaded levels of such devices, a first one of such levels having a plurality of [2Nâˆ’M], where M is a non-zero integer less than 2N of the devices; wherein a common port for the multiplexer is connected to the input/output ports of the plurality of the devices in the first level; and wherein input/output ports of the devices in a succeeding level are connected to the output/input ports of the devices in the preceding level of devices.