This part is a kind of semiconductor called UPC458C.

Function of this product has Quad Operational Amplifier.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

********** TOP VIEW UPC458C IL08 QUAD OPERATIONAL AMPLIFIER 1 2 3 4 VCC 5 6 7 – + + – – + + – 14 13 12 VEE 11 10 9 8 VCC – VEE < 36V [ ... ]

UPC458C PDF Datasheet Download