Datasheet numbered 6132, a 311 KB PDF whose name gives no clue to the part, family or manufacturer. Treat it as an unidentified reference until the first page confirms the device. A closely numbered document, 6131, also appears in this collection and may belong to a related product line, though that cannot be confirmed from the names alone. Technicians use these sheets to read pinouts, voltage ranges and timing data, and should compare the printed chip marking against the document before relying on any figures.
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.