SN7489N is a 64-BIT (16 x 4) 16 words of four bits each, RANDOM-ACCESS READ/WRITE MEMORY, DIP-16 Package. We test 100% of our stock to make sure you get the best quality chips. This can replace any of the following: 7489, 74S89, 74189, 74289, 82S25 and many other manufacturer part numbers. This Ram is used on many arcade and pinball games such as Midway, Williams, Atari Millipede, Tempest, Pacman, Ms Pacman, Galaga, Bosconian, Burger Time and many others.
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