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MC74HC138ADG - onsemi

Description: Chip Complexity: 100 FETs or 29 Equivalent Gates; In Compliance with the Requirements Defined by JEDEC Standard No. 7A; Output Drive Capability: 10 LSTTL Loads; Outputs Directly Interface to CMOS, NMOS and TTL; Low Input Current: 1.0 mA; High Noise Immunity Characteristic of CMOS Devices; Operating Voltage Range: 2.0 to 6.0 V; Pb-Free Packages are Available*

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MC74HC138ADG - onsemi - PCB symbol
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PCB Footprints
MC74HC138ADG - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC-16 CASE751B-05
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MC74HC138ADG - onsemi - 3D model - Small Outline Packages - SOIC-16 CASE751B-05
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MC74HC138ADG Details

  • Manufacturer Part Number:

    MC74HC138ADG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC 16 LEAD

  • Pin Count:

    16

  • Manufacturer Package Code:

    751B-05

  • Country Of Origin:

    Mainland China, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    5

  • Family:

    HC/UH

  • 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

  • Max I(ol):

    0.004 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    RAIL

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    41 ns

  • Propagation Delay (tpd):

    205 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:

    MILITARY

  • 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

MC74HC138ADG Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the MC74HC138ADG is typically 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure that the output signals are not distorted or skewed, it is recommended to use a low-impedance output driver, such as a buffer or a line driver, and to keep the output lines as short as possible to minimize signal degradation.
  • The recommended power-on reset sequence for the MC74HC138ADG is to apply power to the VCC pin first, followed by the input signals, and then the output enable (OE) signal. This ensures that the device is properly initialized and that the outputs are in a known state.
  • If multiple outputs are enabled simultaneously, it is recommended to use an external resistor or current-limiting device to prevent excessive current draw and potential damage to the device. Additionally, the outputs should be designed to handle the resulting current and voltage conditions.
  • The maximum capacitive load that the MC74HC138ADG can drive is typically around 100 pF, but this can vary depending on the specific application and operating conditions. It is recommended to consult the datasheet and application notes for more information.

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