Ram chips in stock for most classic arcade boards.
SRM2016C20 2K X 8 Static Ram 24 Pin .6" DIP Package Out of stock, order AM9128
ER-2055 512 BIT ELECTRICALLY ALTERABLE READ ONLY MEMORY (EAROM) Used on many Atari games for high score retention 22 Pin .4" DIP Package
AM9101 / P2101 256x4 Static Ram22 Pin .4" DIP PackageUsed on many arcade pcbs such as Centipede & Millipede C2101 / P2101 256X4 Static Ram 22 Pin .4" DIP PackageUsed on many arcade pcbs such as Centipede & Millipede
2102 Ram General-Purpose Static RAM - Single chip-enableNumber of Words=1kBits Per Word=1Nom. Supp (V)=5.0Package=Ceramic DIPPins=16
2111A 256 x 4 Bit Static Ram18 Pin DIP PackageSub 8111A, 91L11Used on many Atari games
1K X 4 Static Ram18 Pin DIP PackageUsed on hundreds of arcade boardsSubs 9114 NOS Part, various mfg.
256 x 1 bit dynamic ram. These are used on PacMan and many other arcade machines.16 pin .3" dip Out of stock, will sub 93425.