Description
MB7072 is a 256-word x 4-bit (256 x 4) fully decoded 1024-bit read/write ECL RAM, Fully compatible with 10K ECL level, Address access time: 10ns (max), Write pulse width: 12ns (max), DIP-22 Package. Found on Radar Scope and early Donkey Kong boards and many other arcade / pinball pcb boards.
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