IN74AC251 Description
TECHNICAL DATA IN74AC251 8-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS The IN74AC251 is identical in pinout to the LS/ALS251, HC/HCT251. The device inputs are patible with standard CMOS outputs; with pullup resistors, they are patible with LS/ALS outputs.