View 74lvc240a 2 datasheet:

INTEGRATED CIRCUITS 74LVC240A Octal buffer/line driver with 5-volt tolerant inputs/outputs; inverting (3-State) Product specification 1998 May 20 IC24 Data Handbook Philips Semiconductors Philips Semiconductors Product specification Octal buffer/line driver with 5-volt 74LVC240A tolerant inputs/outputs; inverting (3-State) FEATURES DESCRIPTION The 74LVC240A is a high-performance, low-power, low-voltage, • 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic Si-gate CMOS device, superior to most advanced CMOS • Supply voltage range of 1.2V to 3.6V compatible TTL families. • Complies with JEDEC standard no. 8-1A Inputs can be driven from either 3.3V or 5V devices. In 3-State operation, outputs can handle 5V. These features allow the use of • CMOS low power