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SN74LS138DG4 - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers 3-line to 8-line Decoder/Demltplxr

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SN74LS138DG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS138DG4 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS138DG4 Details

  • Manufacturer Part Number:

    SN74LS138DG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    3 ENABLE INPUTS

  • Family:

    LS

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °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:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    10 mA

  • Prop. Delay@Nom-Sup:

    41 ns

  • Propagation Delay (tpd):

    41 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SN74LS138DG4 Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74LS138DG4 is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power and decoupling, connect the VCC pin to a stable 5V power supply, and decouple the power pins with 0.1uF ceramic capacitors to ground. Additionally, use a 10uF electrolytic capacitor to filter the power supply.
  • The SN74LS138DG4 can sink up to 16mA and source up to 2mA per output pin, with a total current limit of 100mA for all outputs combined.
  • The enable inputs (E1, E2, and E3) must be connected to a valid logic level (either VCC or GND) to ensure proper operation. Floating or unconnected enable inputs can cause unpredictable behavior.
  • The propagation delay of the SN74LS138DG4 is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.

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SN74LS138DG4 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image T74LS138M1 STMicroelectronics

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Part Image DM74LS138M Fairchild Semiconductor Corporation

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Part Image DM74LS138MX Fairchild Semiconductor Corporation

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For a full list of alternate parts for SN74LS138DG4, check out Findchips.com