IN74AC240 Overview
TECHNICAL DATA IN74AC240 Octal 3-State Inverting Buffer/Line Driver/Line Receiver High-Speed Silicon-Gate CMOS The IN74AC240 is identical in pinout to the LS/ALS240, HC/HCT240. The device inputs are patible with standard CMOS outputs; with pullup resistors, they are patible with LS/ALSTTL outputs.