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SN74AHCT540DBR - Texas Instruments

Description: Octal Buffers/Drivers With 3-State Outputs

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SN74AHCT540DBR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0020A
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SN74AHCT540DBR - Texas Instruments  - 3D model - Small Outline Packages - DB0020A
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SN74AHCT540DBR Details

  • Manufacturer Part Number:

    SN74AHCT540DBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH DUAL OUTPUT ENABLE

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AHCT/VHCT/VT

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    7.2 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    10 ns

  • Propagation Delay (tpd):

    10 ns

  • Qualification Status:

    Not Qualified

  • 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:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

SN74AHCT540DBR Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the SN74AHCT540DBR is 4.5V to 5.5V, with a typical voltage of 5V.
  • The SN74AHCT540DBR has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB to dissipate heat. Additionally, ensure good airflow around the device and avoid blocking the airflow with components or obstacles.
  • The maximum current that the SN74AHCT540DBR can sink or source is 24mA per output, with a total current limit of 100mA for all outputs combined.
  • To ensure signal integrity, use a low-impedance PCB design, keep signal traces short and away from noise sources, and use termination resistors as needed. Additionally, consider using a series resistor and capacitor to filter out noise and ringing.
  • The SN74AHCT540DBR is designed for 5V operation, but it can be used with 3.3V logic with some limitations. The device will still function, but the output voltage levels may not be fully compatible with 3.3V logic, and the noise margin may be reduced.

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SN74AHCT540DBR 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 SN74AHCT540DBRG4 Texas Instruments

Bus Driver, AHCT/VHCT/VT Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDSO20