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Quoted from Pin_Guy:Your chip is a standard 32k x 8 (256k) RAM chip.
Replace it with one of these and you will be GTG ...
ebay.com link: Ramtron FM1808 70 P FRAM NVRAM 256Kbit DIP28 2PCS
Can confirm I replaced the same socketed RAM with that NVRAM eBay link today on my Fish Tales with Rottendog WPC CPU. Very happy it worked since my Rottendog CPU would drain new energizers every 12~13 months.
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