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74LCX257 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
74LCX257 Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs Fairchild
Fairchild Semiconductor Fairchild
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74LCX257 データシート PDF : 74LCX257 pdf   
74LCX257MTCX image

General Description
The LCX257 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 by placing a logic HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus-oriented systems.
   
Features
■ 5V tolerant inputs and outputs
■ 2.3V–3.6V VCC specifications provided
■ 6.0 ns tPD max (VCC = 3.3V, In → Zn), 10 µA ICC max
■ Power down high impedance inputs and outputs
■ Supports live insertion/withdrawal (Note 1)
■ Implements patented noise/EMI reduction circuitry
■ Latch-up performance exceeds 500 mA
■ ESD performance:
    Human body model > 2000V
    Machine model > 200V
   

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