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74AC139SCX - onsemi

Description: Two completely independent 1-of-4 decoders; Outputs source/sink 24 mA; Multifunction capability; Active LOW mutually exclusive outputs; ACT139 has TTL-compatible inputs; ICC reduced by 50%

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74AC139SCX - onsemi - PCB symbol
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PCB Footprints
74AC139SCX - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - M16A (SOIC)
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3D Models
74AC139SCX - onsemi - 3D model - Small Outline Packages - M16A (SOIC)
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74AC139SCX Details

  • Manufacturer Part Number:

    74AC139SCX

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-16

  • Manufacturer Package Code:

    751BG

  • Country Of Origin:

    Mainland China, Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    5

  • JESD-609 Code:

    e3

  • Logic IC Type:

    2-LINE TO 4-LINE DECODER

  • Moisture Sensitivity Level:

    1

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Time@Peak Reflow Temperature-Max (s):

    30

74AC139SCX Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the 74AC139SCX is 2.0V to 3.6V.
  • To ensure reliable operation in high-temperature environments, ensure that the device is operated within the recommended temperature range (-40°C to 85°C) and that the junction temperature (TJ) does not exceed 150°C.
  • The maximum clock frequency supported by the 74AC139SCX is 100 MHz.
  • To ensure proper operation, power up the VCC pin before applying any input signals, and power down the VCC pin after removing all input signals.
  • The recommended termination scheme for the 74AC139SCX is to use a 50-ohm termination resistor in series with a 50-pF capacitor to ground on each output.

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74AC139SCX Overview

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74AC139SCX Alternates

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Part Image MC74AC139DG Rochester Electronics LLC

2-LINE TO 4-LINE DECODER, AC Series, Inverted Output, CMOS, PDSO16
Part Image TC74AC139FN-ELP Toshiba America Electronic Components

AC Series, Inverted Output, CMOS, PDSO16
Part Image 74AC139SCX_NL Fairchild Semiconductor Corporation

2-LINE TO 4-LINE DECODER, AC Series, Inverted Output, CMOS, PDSO16
Part Image HD74AC139RP-EL Renesas Electronics Corporation

AC Series, Inverted Output, CMOS, PDSO16
Part Image HD74AC139ARPEL Renesas Electronics Corporation

AC Series, Inverted Output, CMOS, PDSO16
For a full list of alternate parts for 74AC139SCX, check out Findchips.com