An input receiver, comprising: a waveform chopper configured to substantially pass an input signal as a first chopped signal when the input signal is greater than an internal power supply voltage and to clamp the first chopped signal at the internal power supply voltage when the input signal is less than the internal power supply voltage, and wherein the waveform chopper is further configured to substantially pass the input signal as a second chopped signal when the input signal is less than the internal power supply voltage and to clamp the second chopped signal at the internal power supply voltage when the input signal is greater than the internal power supply voltage, wherein the waveform chopper includes: a first pass transistor; a second pass transistor; a capacitor having a first terminal and a second terminal; and a resistor directly connected between the second terminal of the capacitor and a power supply node for the internal supply voltage, wherein the capacitor is configured to receive the input signal at the first terminal and to produce a bias voltage at the second terminal, and wherein a gate for the first pass transistor and a gate for the second pass transistor are both coupled to the second terminal of the capacitor; the input receiver further comprising: a chopped waveform receiver including a first switch configured to switch on to charge a combined signal to a first power supply voltage when the first chopped signal is clamped at the internal power supply voltage and a second switch configured to switch on to ground the combined signal when the second chopped signal is clamped at the internal power supply voltage, wherein the first power supply voltage is greater than the internal power supply voltage. a waveform chopper configured to substantially pass an input signal as a first chopped signal when the input signal is greater than an internal power supply voltage and to clamp the first chopped signal at the internal power supply voltage when the input signal is less than the internal power supply voltage, and wherein the waveform chopper is further configured to substantially pass the input signal as a second chopped signal when the input signal is less than the internal power supply voltage and to clamp the second chopped signal at the internal power supply voltage when the input signal is greater than the internal power supply voltage, wherein the waveform chopper includes: a first pass transistor; a second pass transistor; a capacitor having a first terminal and a second terminal; and a resistor directly connected between the second terminal of the capacitor and a power supply node for the internal supply voltage, wherein the capacitor is configured to receive the input signal at the first terminal and to produce a bias voltage at the second terminal, and wherein a gate for the first pass transistor and a gate for the second pass transistor are both coupled to the second terminal of the capacitor; the input receiver further comprising: a chopped waveform receiver including a first switch configured to switch on to charge a combined signal to a first power supply voltage when the first chopped signal is clamped at the internal power supply voltage and a second switch configured to switch on to ground the combined signal when the second chopped signal is clamped at the internal power supply voltage, wherein the first power supply voltage is greater than the internal power supply voltage. a first pass transistor; a second pass transistor; a capacitor having a first terminal and a second terminal; and a resistor directly connected between the second terminal of the capacitor and a power supply node for the internal supply voltage, wherein the capacitor is configured to receive the input signal at the first terminal and to produce a bias voltage at the second terminal, and wherein a gate for the first pass transistor and a gate for the second pass transistor are both coupled to the second terminal of the capacitor; the input receiver further comprising: a chopped waveform receiver including a first switch configured to switch on to charge a combined signal to a first power supply voltage when the first chopped signal is clamped at the internal power supply voltage and a second switch configured to switch on to ground the combined signal when the second chopped signal is clamped at the internal power supply voltage, wherein the first power supply voltage is greater than the internal power supply voltage.