View 74lvc2244a 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET 74LVC2244A Octal buffer/line driver; with 30 ? serie termination resistors; 5 V tolerant input/outputs; 3-state Product specification 2002 Jun 18 Supersedes data of 1999 Sep 30 Philips Semiconductors Product specification Octal buffer/line driver; with 30 ? serie termination 74LVC2244A resistors; 5 V tolerant input/outputs; 3-state FEATURES DESCRIPTION • 5 V tolerant inputs/outputs for interfacing with 5 V logic The 74LVC2244A is a high-performance, low-power, low-voltage, Si-gate CMOS device, superior to most • Wide supply voltage range from 1.2 to 3.6 V advanced CMOS compatible TTL families. • CMOS low power consumption Inputs can be driven from either 3.3 or 5 V devices. • Direct interface with TTL levels In 3-state operation outputs c