View mc74hct244a datasheet:

MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC54/74HCT244A Octal 3-State Noninverting Buffer/Line Driver/ J SUFFIX Line Receiver with CERAMIC PACKAGE 20 CASE 732–03 LSTTL-Compatible Inputs 1 High–Performance Silicon–Gate CMOS N SUFFIX The MC54/74HCT244A is identical in pinout to the LS244. This device PLASTIC PACKAGE 20 CASE 738–03 may be used as a level converter for interfacing TTL or NMOS outputs to 1 High–Speed CMOS inputs. The HCT244A is an octal noninverting buffer line driver line receiver designed to be used with 3–state memory address DW SUFFIX 20 SOIC PACKAGE drivers, clock drivers, and other bus–oriented systems. The device has 1 CASE 751D–04 non–inverted outputs and two active–low output enables. The HCT244A is the noninverting version of the HCT240. See al