A system and method for hardening dynamic logic against single event upset is described. A precharge circuit is hardened and then connected to two pull down networks. The two pull down networks are redundant and, under normal operating conditions, provide substantially the same outputs when receiving substantially the same inputs. The two outputs are then voted to provide an output that is hardened against single event upset. Alternatively, the two outputs may be connected to a next stage of dynamic logic circuits or other circuitry for evaluation.