Datasheet in PDF, about 92 KB, for the 93C56 serial EEPROM, the 2 Kbit device in the 93-series Microwire family; the _3 suffix probably reflects a document revision or voltage grade and is not explained by the name. These chips store small amounts of configuration data in TVs, monitors, network cards and vehicle modules. Use the pinout and ORG pin description to wire a programmer clip correctly, then read and save the existing contents before attempting any rewrite or replacement.
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 @cyberlanelectonik. 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.