This part is a kind of semiconductor called ADM6993.

Function of this product has HDLC to Fast Ethernet Converter.

Manufacturers : Infineon Technologies

Image and pinout :

Some of the text within the PDF file :

DataSheet.in Data Sheet, Rev 1.11, Nov. 2005 ADM6993/X ADM6993/X HDLC to Fast Ethernet Converter Communications N e v e r s t o p t h i n k i n g . DataSheet.in Edition 2005-11-28 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 München, Germany © Infineon Technologies AG 2005. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Information For further information on technology, delivery terms and conditions and prices please contac [ ... ]

ADM6993 PDF Datasheet Download