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SN74ALS540NS - Texas Instruments

Description: Buffer/Line Driver 8-CH Inverting 3-ST Bipolar 20-Pin SOP Tube

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SN74ALS540NS - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G20)
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SN74ALS540NS - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G20)
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SN74ALS540NS Details

  • Manufacturer Part Number:

    SN74ALS540NS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOP-20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH DUAL OUTPUT ENABLE

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.6 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    22 mA

  • Prop. Delay@Nom-Sup:

    12 ns

  • Propagation Delay (tpd):

    12 ns

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    5.3 mm

SN74ALS540NS Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS540NS is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To handle thermal issues, ensure proper heat sinking, use a thermally conductive material for the PCB, and avoid operating the device near its maximum junction temperature (150°C).
  • The recommended power-on sequence is to apply VCC before applying any input signals, and to ensure that VCC reaches its minimum specified voltage before applying any inputs.
  • Yes, the SN74ALS540NS can be used in a 3.3V system, but it is recommended to use a voltage regulator to ensure a stable 3.3V supply, and to check the device's output voltage levels to ensure compatibility with 3.3V logic.
  • Check the output load, ensure proper termination, and verify that the input signals are within the specified voltage range. Also, check for any noise or ringing on the output signals.

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SN74ALS540NS 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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