DM74S289 series datasheets. Manufacturer: National Semiconductor.

DM74S289J 4.75 V to 5.25 V, 64-bit (16 x 4) open-collector RAM TRI-STATE RAM in 16-pin DIL package. Operational temperature range from 0°C to 70°C. Datasheet*) DM74S289N 4.75 V to 5.25 V, 64-bit (16 x 4) open-collector RAM TRI-STATE RAM in 16-pin DIL package. Operational temperature range from 0°C to 70°C. Datasheet*)

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