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MC74LCX258 - Low-Voltage CMOS Quad 2-Input Multiplexer

General Description

INPUTS OUTPUTS A0

A3 (Pins 2, 5, 11, 14) Nibble A inputs.

transferred to the outputs when the Select input is at a low level and the Output Enable input is at a low level.

The data is presented to the outputs in inverted form for the LCX258.

B

Key Features

  • Designed for 2.3 to 3.6 V VCC Operation.
  • 5 V Tolerant.
  • Interface Capability With 5 V TTL Logic.
  • Supports Live Insertion and Withdrawal.
  • IOFF Specification Guarantees High Impedance When VCC = 0 V.
  • TTL Compatible.
  • CMOS Compatible.
  • 24 mA Balanced Output Sink and Source Capability.
  • Near Zero Static Supply Current in all Three Logic States (10 mA) Substantially Reduces System Power Requirements.
  • Latchup Perfor.

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Datasheet Details

Part number MC74LCX258
Manufacturer onsemi
File Size 238.80 KB
Description Low-Voltage CMOS Quad 2-Input Multiplexer
Datasheet download datasheet MC74LCX258 Datasheet

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Full PDF Text Transcription (Reference)

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MC74LCX258 Low-Voltage CMOS Quad 2-Input Multiplexer With 5 V−Tolerant Inputs and Outputs (3−State, Inverting) The MC74LCX258 is a high performance, quad 2−input inverting 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 MC74LCX258 inputs to be safely driven from 5 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 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.