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74F257APC データシート - Fairchild Semiconductor

部品番号コンポーネント説明メーカー
74F257APC Quad 2-Input Multiplexer with 3-STATE Outputs Fairchild
Fairchild Semiconductor Fairchild
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74F257APC データシート PDF : 74F257APC pdf   
74F257A image

General Description
The 74F257A 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.

Features
■ Multiplexer expansion by tying outputs together
■ Non-inverting 3-STATE outputs
■ Input clamp diodes limit high-speed termination effects

 

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