Encoders, Decoders, Multiplexers & Demultiplex 74F399SJ - ON Semiconductor / Fairchild Mar 15, 2023 ON Semiconductor / Fairchildx Buy On ON Semiconductor / Fairchild 74F399SJ online at OMO. View 74F399SJ datasheets, 74F399SJ stock and 74F399SJ pricing. 74F74F374F3974F399 Read More