W27E257 series datasheets. Manufacturer: Winbond Electronics.

W27E257-10 32K x 8 electrically erasable EPROM, 100ns in 28-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257-12 32K x 8 electrically erasable EPROM, 120ns in 28-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257-15 32K x 8 electrically erasable EPROM, 150ns in 28-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257P-10 32K x 8 electrically erasable EPROM, 100ns in 32-pin PLCC package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257P-12 32K x 8 electrically erasable EPROM, 120ns in 32-pin PLCC package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257P-15 32K x 8 electrically erasable EPROM, 150ns in 32-pin PLCC package. Operational temperature range from 0°C to 70°C. Datasheet*) W27E257 32K X 8 ELECTRICALLY ERASABLE EPROM Datasheet*)

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