IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, I.
Integrated Device Tech
IDT74FC240T - FAST CMOS OCTAL BUFFER/LINE DRIVERS
IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, IDT54/74FCT540/541/2541T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND COMMERCIAL TEMPERATURE.