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Partname:MC54F257AJ
Description:Quad 2-input multiplexer with 3-state outputs
Manufacturer:Motorola
Package:DIP
Pins:16
Oper. temp.:-55 to 125
Datasheet:PDF (61K).
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The MC74F257 is a quad 2-input multiplexer with 3-state outputs. Four bits of data from two sources can be selected using a common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a high impedance state with a HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus oriented systems.

Click here to download MC54F257AJ Datasheet
Click here to download MC54F257AJ Datasheet
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