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74AC138SC - onsemi

Description: ICC reduced by 50%; Active LOW mutually exclusive outputs; Demultiplexing capability; ACT138 has TTL-compatible inputs; Multiple input enable for easy expansion; Outputs source/sink 24 mA

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Symbol
74AC138SC - onsemi - PCB symbol
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PCB Footprints
74AC138SC - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - M16A (SOIC)
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3D Models
74AC138SC - onsemi - 3D model - Small Outline Packages - M16A (SOIC)
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74AC138SC Details

  • Manufacturer Part Number:

    74AC138SC

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-16

  • Package Description:

    SOIC-16

  • Manufacturer Package Code:

    751B-05

  • Country Of Origin:

    Mainland China, Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    5.05

  • Additional Feature:

    3 ENABLE INPUTS

  • Family:

    AC

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    15 ns

  • Propagation Delay (tpd):

    15 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

74AC138SC Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the 74AC138SC is typically 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB design techniques such as impedance matching, signal routing, and decoupling capacitors. Also, ensure that the power supply is stable and noise-free.
  • The recommended power-on sequence is to apply power to the VCC pin first, followed by the input signals. This helps prevent latch-up and ensures proper device operation.
  • Yes, the 74AC138SC can operate from a 3.3V power supply. However, ensure that the input signals are compatible with the 3.3V logic level, and that the output loads are within the recommended specifications.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.

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74AC138SC Overview

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74AC138SC Alternates

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Part Image 74AC138SCT Fairchild Semiconductor Corporation

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Part Image 74AC138M STMicroelectronics

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For a full list of alternate parts for 74AC138SC, check out Findchips.com