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74LCX257

Part Number	74LCX257
Manufacturer	National Semiconductor
Description	Low-Voltage Quad 2-Input Multiplexer
Published	Feb 5, 2016
Detailed Description	74LCX257 Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs May 1995 Revised September 2000 74LC...
Datasheet	74LCX257 PDF File

Overview

74LCX257 Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs May 1995 Revised September 2000 74LCX257 Low Voltage Quad 2-Input Multiplexer with 5V Tolerant Inputs and Outputs 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.
The 74LCX257 is fabricated with advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.
Features s 5V tolerant inputs and outputs s 2.
3V–3.
6V VCC specifications provided s 6.
0 ns tPD max (VCC = 3.
3V, In → Zn), 10 µA ICC max s Power down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s Implem...

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