View 74lvc h16244a 4 datasheet:

INTEGRATED CIRCUITS 74LVC16244A/74LVCH16244A 16-bit buffer/line driver; 5V input/output tolerant (3-State) Product specification 1997 Oct 28 Supersedes data of 1997 Jun 30 IC24 Data Handbook Philips Semiconductors Philips Semiconductors Product specification 16-bit buffer/line driver; 5V input/output tolerant 74LVC16244A/ (3-State) 74LVCH16244A FEATURES PIN CONFIGURATION � 5 volt tolerant inputs/outputs for interfacing with 5V logic 48 2OE � Wide supply voltage range of 1.2V to 3.6V 1OE 1 1Y0 2 47 1A0 � Complies with JEDEC standard no. 8-1A 1Y1 3 46 1A1 � CMOS low power consumption GND 4 45 GND � MULTIBYTETM flow-through standard pin-out architecture 1Y2 5 44 1A2 � Low inductance multiple power and ground pins for minimum 1Y3 6 43 1A3 noise and ground bounce V