In embodiments of a serializing transmitter, the serializing transmitter includes N multiplexing drive units, each configured to generate a series of output pulses derived from input data signals and multi-phase clock signals, and each multiplexing drive unit including a pulse-controlled push-pull output driver having first and second inputs and an output. Each multiplexing driver unit further includes a first M:1 pulse-generating multiplexer having an output coupled to the first input of the pulse-controlled push-pull output driver, and a second M:1 pulse-generating multiplexer having an output coupled to the second input of the pulse-controlled push-pull output driver, wherein each of the first and second M:1 pulse-generating multiplexers has four or fewer clock inputs.