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MC74LCX257

Part Number	MC74LCX257
Manufacturer	ON Semiconductor
Description	Low-Voltage CMOS Quad 2-Input Multiplexer
Published	Apr 12, 2007
Detailed Description	MC74LCX257 Low-Voltage CMOS Quad 2-Input Multiplexer With 5.0 V−Tolerant Inputs and Outputs (3−State, Non−Inverting) Th...
Datasheet	MC74LCX257 PDF File

Overview

MC74LCX257 Low-Voltage CMOS Quad 2-Input Multiplexer With 5.
0 V−Tolerant Inputs and Outputs (3−State, Non−Inverting) The MC74LCX257 is a high performance, quad 2−input multiplexer with 3−state outputs operating from a 2.
3 to 3.
6 V supply.
High impedance TTL compatible inputs significantly reduce current loading to input drivers while TTL compatible outputs offer improved switching noise performance.
A VI specification of 5.
5 V allows MC74LCX257 inputs to be safely driven from 5.
0 V devices.
Four bits of data from two sources can be selected using the Select input.
The four outputs present the selected data in the true (non−inverted) form.
The outputs may be switched to a high impedance state by placing a logic HIGH on the Output Enable (OE) input.
Current drive capability is 24 mA at the outputs.
Features • Designed for 2.
3 to 3.
6 V VCC Operation • 5.
0 V Tolerant − Interface Capability with 5.
0 V TTL Logic • Supports Live Insertion and Withdrawal • IOFF Specification Guarantees High I...

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