Adiabatic dynamic precharge boost circuitry

Power dissipation in precharge paths used in adiabatic dynamic logic circuitry is reduced by a precharge boost circuit (124,126) which decreases the impedance between a clock node (120) and an output node (122) in such logic circuitry and thereby increases the charging current from clock signal generator ( PHI 0). In one example, a diode (124) used to precharge an output node in adiabatic dynamic logic circuitry is selectively shorted by a controllable switch (126) selectively connected in parallel with the diode when the output node is to be precharged.