This part is a kind of semiconductor called SSD1306.
Function of this product has 128 x 64 Dot Matrix OLED/PLED Segment/Common Driver.
Manufacturers : Solomon Systech
Image and pinout :

Some of the text within the PDF file :
SOLOMON SYSTECH SEMICONDUCTOR TECHNICAL DATA SSD1306 Advance Information 128 x 64 Dot Matrix OLED/PLED Segment/Common Driver with Controller This document contains information on a new product. Specifications and information herein are subject to change without notice. http://www.solomon-systech.com SSD1306 Rev 1.1 P 1/59 Copyright © 2008 Solomon Systech Limited http://www.Datasheet4U.com Apr 2008 CONTENTS 1 2 3 4 5 6 7 8 GENERAL DESCRIPTION .......................................................................................................6 FEATURES...................................................................................................................................6 ORDERING INFORMATION ................................................................................. [ ... ]
SSD1306 PDF Datasheet Download
