Larger datasheet at 824 KB, saved as PDF and named with literature number SDLS198. The name does not reveal the part; the code follows the Texas Instruments logic literature pattern, and the device title is found inside. A document of this size may cover several package or family variants with detailed timing diagrams and package drawings. Technicians consult it for pinout and expected logic states while probing. Ensure the variant on the PCB matches the one whose tables you are reading.
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.