DM77SR27 series datasheets. Manufacturer: National Semiconductor.

DM77SR27BJ 40 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from -55°C to 125°C. Datasheet*) DM77SR27J 55 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from -55°C to 125°C. Datasheet*) DM87SR27BJ 35 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) DM87SR27BN 35 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) DM87SR27J 50 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) DM87SR27N 50 ns, (512 x 8) 4K-bit registered TTL PROM in 22-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*)

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