LM311N IC.Single Comparator 36V 625mW Low Input Current.High voltage comparator.
INTEGRATED CIRCUIT LM311N.Single Comparator 36V 625mW.Low Input Current.High voltage comparator.an analog comparator. Operates from single 5V supply. Input current: 150 nA max. They are also designed to operate over a wider range of supply voltages: from standard 15V op amp supplies down to the single 5V supply