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74LCX257 Datasheet - National Semiconductor

74LCX257-NationalSemiconductor.pdf

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Datasheet Details

Part number:

74LCX257

Manufacturer:

National Semiconductor

File Size:

98.50 KB

Description:

Low-voltage quad 2-input multiplexer.

74LCX257, Low-Voltage Quad 2-Input Multiplexer

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

74LCX257 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 Implements patented noise/EMI reduction circuitry s Latch-up performan

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