MC54F257 series datasheets. Manufacturer: Motorola.

MC54F257AJ Quad 2-input multiplexer with 3-state outputs in 16-pin DIP package. Operational temperature range from -55°C to 125°C. Datasheet*) MC74F257AD Quad 2-input multiplexer with 3-state outputs in 16-pin SOIC package. Operational temperature range from -55°C to 125°C. Datasheet*) MC74F257AN Quad 2-input multiplexer with 3-state outputs in 16-pin PDIP package. Operational temperature range from -55°C to 125°C. Datasheet*)

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