The present invention relates to a radiation-resistant nuclear explosion detector, and a radiation-resistant nuclear explosion detector according to an embodiment of the present invention includes: a sensor circuit unit for outputting a photocurrent generated according to the incidence of pulse radiation as a voltage signal; A latch circuit for holding a detection signal for a predetermined time through a latch circuit using a plurality of PMOS elements as the voltage signal is transmitted and returning the detection signal to an initial state; And a buffer circuit unit for outputting the detection signal as an inverted signal.
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