This part is a kind of semiconductor called 16F628A.

Function of this product has PIC16F628A.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

PIC16F627A/628A/648A Data Sheet FLASH-Based 8-Bit CMOS Microcontrollers  2002 Microchip Technology Inc. Preliminary DS40044A Note the following details of the code protection feature on Microchip devices: • • Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing s [ ... ]

16F628A PDF Datasheet Download