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74F257A Quad 2-Input Multiplexer

74F257A Description

74F257A Quad 2-Input Multiplexer with 3-STATE Outputs April 1988 Revised August 1999 74F257A Quad 2-Input Multiplexer with 3-STATE Outputs General D.
The 74F257A is a quad 2-input multiplexer with 3-STATE outputs.

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Fairchild 74F257A-like datasheet