PDF datasheet, 94.9 KB, known only by its literature code SDNS017C, with a suffix letter that normally denotes document revision. The specific chip is not identified by the name, so confirm it inside the file. For repair use, a datasheet like this offers the pin assignment, absolute maximum ratings and typical operating figures, giving you a reference to compare against meter or oscilloscope readings when deciding whether a component on the board is faulty.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @datasheet_technar_org. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.