Datasheet saved as a 566 KB PDF under the code SDNS021C, the C most likely marking a revised release of the document. The device is not named in the file name, so its identity should be taken from the title page. Use the pin descriptions, electrical tables and application examples to understand how the part should be wired, verify the voltages present on a board, and avoid fitting a lookalike part that differs in pinout or ratings.
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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)