This part is a kind of semiconductor called 74LVC244.

Function of this product has Octal buffer/line driver with 5-volt tolerant inputs/outputs 3-Statetitle.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS 74LVC244A/74LVCH244A Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State)title Product specification Supersedes data of 1996 Sep 06 IC24 Data Handbook 1998 May 20 Philips Semiconductors Philips Semiconductors Product specification Octal buffer/line driver with 5-volt tolerant inputs/outputs (3-State) 74LVC244A 74LVCH244A FEATURES • 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic • Supply voltage range of 2.7V to 3.6V • Complies with JEDEC standard no. 8-1A • CMOS low power consumption • Direct interface with TTL levels • High impedance when VCC = 0V • Bushold on all data inputs (74LVCH244A only) DESCRIPTION The 74LVC244A/74LVCH244A is a high-performance, low-power, low-voltage, Si-gate CMOS device, superior to m [ ... ]

74LVC244 PDF Datasheet Download