LM2901,LM339/LM339A,LM239/LM239A,LM3302 are four independent voltage comparators produced by Fairchild Semiconductor Corporation. It can operate in a wide voltage range and its output voltage is compatible with TTL, DTL and MOS circuits.
The LM2901, LM339/LM339A, LM3302, and LM239/LM239A are quad voltage comparators from Fairchild Semiconductor, offering single or dual supply operation, low supply current, and open‑collector outputs.
The datasheet includes features, absolute maximum ratings, electrical characteristics, typical performance graphs, mechanical dimensions, ordering information, and legal notices.