operate at data rates where interconnections may behave as transmission lines a driver power supply 22 with a filter capacitor 32 may supply power to the high speed drivers 24 a termination power supply 26 with a filter capacitor 34 may supply power to the termination devices 28 the present invention recognizes that the transient load response of the power system 20 may be dramatically improved by connecting a decoupling capacitor c 1 30 between the v tt power supply 26 and the v ddq power supply 22 in addition the size of the filter capacitors 32 and 34 between ground and the power supplies 22 and 26 may be greatly reduced or eliminated the capacitance of the decoupling capacitor 30 may be equal to or much greater than the capacitance of the filter capacitor 34 intuitively this would seem to aggravate the power supply output voltage glitch problem however including the decoupling capacitor 30 actually may drastically reduce any need for using very high speed dc dc converters and the size of the filter capacitors 32 and 34 in fact including the decoupling capacitor 30 may simultaneously solve the power regulation problems seen by both the v ddq and v tt power supplies 22 and 26 the decoupling capacitor 30 may be any type of high frequency capacitance device such as ceramic capacitors silicon based capacitors and the like fig3 shows waveforms associated with the operation of an aspect of the power system 20 a first waveform 50 shows the current flowing into the drivers 24 a second waveform 52 shows the output voltage of the vddq power.