This part is a kind of semiconductor called SC2272.

Function of this product has Remote control decoding circuit.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

m o .c U 4 t e e h S a t a .D w w w m o .c U 4 t e e h S a at .D w w w [ ... ]

SC2272 PDF Datasheet Download