This part is a kind of semiconductor called ISD1720.

Function of this product has Multi-Message Single-Chip Voice Record & Playback Device.

Manufacturers : Winbond

Image and pinout :

Some of the text within the PDF file :

PRELIMINARY ISD1720 Multi-Message Single-Chip Voice Record & Playback Device Publication Release Date: April 4, 2007 Revision 0 ISD1720 TABLE OF CONTENTS 1 2 3 4 5 6 GENERAL DESCRIPTION ..3 FEATURES..4 BLOCK DIAGRAM...5 PINOUT CONFIGURATION6 PIN DESCRIPTION . [ ... ]

ISD1720 PDF Datasheet Download