F7439DC

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Quad 2-input NAND buffer IC engineered with a rugged high-current output drive capable of switching heavy external logic rows. | 14-Pin Ceramic DIP | Early mainframes, legacy autom ated telecommunication routing hubs, vintage pinball diagnostic frames. | F7439DC | NTE7439 | SK7439 | 7439, SN7439J, DM7439N, MC7439L | Heavy Electromechanical Relay Interface: Uses the high-current buffer gates to safely ground a low-voltage control relay coil, linking 5V computational logic to a isolated high-voltage switching board. Show more