Datasheet numbered 6280, a 328 KB PDF with an uninformative name that states no part number or brand. The device can only be identified by reading the document header. Any PDF reader opens it. Such references give technicians pin assignments, absolute maximum ratings, recommended operating conditions and package outlines, useful for tracing signals, checking supply rails and choosing a compatible replacement. Make sure the top marking on the component you are working on matches the part covered before relying on any value.
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. 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.