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SN74LS138NSR - Texas Instruments

Description: 3-line to 8-line decoder / demultiplexer

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SN74LS138NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G**)
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SN74LS138NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G**)
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SN74LS138NSR Details

  • Manufacturer Part Number:

    SN74LS138NSR

  • 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:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • 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:

    10.2 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,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • 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:

    2 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:

    5.3 mm

SN74LS138NSR Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74LS138NSR is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a stable 5V power source, and GND to a reliable ground connection. Also, make sure to decouple the power supply with a 0.1uF capacitor to reduce noise and ensure stable operation.
  • The SN74LS138NSR can sink up to 16mA and source up to 2mA per output pin, but it's recommended to keep the current within the absolute maximum ratings to ensure reliable operation.
  • The enable inputs (E1, E2, E3) are active-low, so they should be pulled low to enable the decoder. When not in use, it's recommended to tie the enable inputs high to prevent unwanted operation.
  • The propagation delay of the SN74LS138NSR is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.

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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 DM74LS138SJ Rochester Electronics LLC

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For a full list of alternate parts for SN74LS138NSR, check out Findchips.com