Quoted from Pin_Guy:Your chip is a standard 32k x 8 (256k) RAM chip.
https://www.mouser.com/ProductDetail/Alliance-Memory/U62256ADK07LLG1?qs=LD2UibpCYJr50j%252B%252B4ajYoA%3D%3D
Replace it with one of these and you will be GTG ...
ebay.com link » Ramtron Fm1808 70 P Fram Nvram 256kbit Dip28 2pcs
Do I need to solder a socket to put this chip in or can I just solder the chip onto the board?