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SN74S139AD - Texas Instruments

Description: IC DUAL 2-4 DECOD/DEMUX

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SN74S139AD - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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SN74S139AD - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
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SN74S139AD Details

  • Manufacturer Part Number:

    SN74S139AD

  • 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:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SCHOTTKY CLAMPED FOR HIGH PERFORMANCE

  • Family:

    S

  • 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:

    2-LINE TO 4-LINE DECODER

  • Max I(ol):

    0.02 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    2

  • 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):

    90 mA

  • Prop. Delay@Nom-Sup:

    33 ns

  • Propagation Delay (tpd):

    12 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:

    TTL

  • 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

SN74S139AD Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74S139AD is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as using short signal traces, minimizing impedance mismatches, and adding termination resistors as needed. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
  • Yes, the SN74S139AD is compatible with 3.3V systems, but you need to ensure that the input signals are within the recommended voltage range (VCC-0.5V to VCC+0.5V) to maintain proper operation.
  • To avoid latch-up or other issues, ensure that the power rails are sequenced correctly, with the VCC rail powering up before the input signals. You can use a power sequencing controller or a simple RC circuit to achieve this.
  • The recommended termination scheme for the SN74S139AD outputs is a series terminator (e.g., 33Ω) at the receiving end, with the output impedance of the SN74S139AD set to 25Ω. This helps to minimize reflections and ensure signal integrity.

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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 SN74S139ADE4 Texas Instruments

2-LINE TO 4-LINE DECODER, S Series, Inverted Output, TTL, PDSO16