This part is a kind of semiconductor called PCF7936AS.

Function of this product has Security Transponder.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

PCF7936AS Security Transponder (HITAG2) Product Specification CONFIDENTIAL 2010 May 04 NXP Semiconductors Product Specification Security Transponder (HITAG2) CONTENT 1 2 3 4 5 6 7 PCF7936AS FEATURES ... 4 GENERAL DESCRIPTION 4 ORDERING INFORMATION . 4 BLOCK DIAGRAM . [ ... ]

PCF7936AS PDF Datasheet Download