This part is a kind of semiconductor called ATA2188.

Function of this product has Optical Mouse Sensor IC.

Manufacturers : ALab

Image and pinout :

Some of the text within the PDF file :

@Lab Optical Mouse Sensor ATA2188 Datasheet OPTICAL MOUSE SENSOR IC ATA2188 Datasheet Version 0.3 Notice ATLab, Inc. (“@Lab”) reserves the right to change any products described herein at any time and without notice. @Lab assumes no responsibility or liability arising from the use of the products described herein, except as expressly agreed to in writing by @Lab. The use and purchase of this product does not convey a license under any patent rights, copyrights, trademark rights, or any other intellectual property rights of @Lab. Copyright 2003, AT Lab, Inc. All rights reserved. Page 1 / 13 Version 0.3 @Lab Optical Mouse Sensor ATA2188 Datasheet @Lab ATA2188 Optical Mouse Sensors Datasheet INTRODUCTION Description The ATA2188 is an optica [ ... ]

ATA2188 PDF Datasheet Download