Brief 30.7 KB PDF datasheet labelled with the part number SM8506 and no other details, so the maker and device function must be read from the document. Its small size suggests a short summary with pinout and basic ratings rather than a full reference manual. On the bench, a sheet like this is used to locate power, ground, clock and reset pins and confirm the chip is receiving what it needs. Compare the package and marking on the board before using its pin numbering for measurements.
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.