PDF datasheet for the SM5840ES part, 35.6 KB in size. Beyond the part number and its letter suffix, the file name offers no further information about the vendor, function or revision. A datasheet of this kind lets a technician look up the pinout, operating voltage range and timing or electrical characteristics needed to check whether a chip is working in circuit. It opens in any standard PDF reader; verify the full marking printed on the component so that the correct variant sheet is being used.
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.