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SN74HC540DWE4 - Texas Instruments

Description: Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin SOIC Tube

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SN74HC540DWE4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74HC540DWE4 Details

  • Manufacturer Part Number:

    SN74HC540DWE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • 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:

    HC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    150 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.006 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    25 ns

  • Propagation Delay (tpd):

    188 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

SN74HC540DWE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HC540DWE4 is 100 MHz.
  • The SN74HC540DWE4 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 consider using a heat sink if operating at high frequencies or high ambient temperatures.
  • The recommended input rise and fall time for the SN74HC540DWE4 is 10 ns/V to ensure proper operation and minimize switching noise.
  • Yes, the SN74HC540DWE4 is compatible with 5V systems, but ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to prevent damage or malfunction.
  • To ensure signal integrity, use controlled impedance traces, minimize trace lengths, and add termination resistors as necessary to prevent signal reflections and ringing.

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SN74HC540DWE4 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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