Patent ID: 8611437

Claim:
A transmitter circuit comprising: precharge with flying capacitor sub-circuit that includes a first flying capacitor configured to be precharged to a supply voltage during a positive phase of a clock and a second capacitor configured to be precharged to the supply voltage during a negative phase of the clock; and a discharge and multiplexor sub-circuit that is configured to couple the first flying capacitor to a single-ended signaling line during the negative phase of the clock to drive the single-ended signaling line and is configured to couple the second flying capacitor to the single-ended signaling during the positive phase of the clock to drive the single-ended signaling line, wherein the discharge and multiplexor sub-circuit is further configured to discharge the first flying capacitor through a signal current return network when a data signal is low during the negative phase of the clock and drive the single-ended signaling line low.