FAIRCHILD 74LCX16240 handbook
Datasheet
The LCX16244 is a low voltage 16-bit buffer/line driver with 5V tolerant inputs and outputs from Fairchild Semiconductor. It is designed for 2.3V to 3.6V VCC applications and has the capability of interfacing to a 5V signal environment. The LCX16244 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.