CD54HC240, CD74HC240, CD74HC241, CD54HC244 CD74HC2.
M54HCT240 - OCTAL BUS BUFFER
54HCT240 - High-Speed CMOS Logic Octal Buffer/Line Drivers
CD54HCT240 - High-Speed CMOS Logic Octal Buffer/Line Drivers
SN54HCT240 - OCTAL BUFFERS AND LINE DRIVER