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SN74AHC240DWR - Texas Instruments

Description: Octal Buffers/Drivers With 3-State Outputs

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SN74AHC240DWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74AHC240DWR - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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SN74AHC240DWR Details

  • Manufacturer Part Number:

    SN74AHC240DWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AHC/VHC/H/U/V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    8

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    8.5 ns

  • Propagation Delay (tpd):

    30 ns

  • Qualification Status:

    Not Qualified

  • Supply Voltage-Max (Vsup):

    5.5 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 (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

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

    30

SN74AHC240DWR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AHC240DWR is 100 MHz, but it can vary depending on the output load and supply voltage.
  • To ensure signal integrity, use a low-impedance PCB design, keep signal traces short, and use termination resistors if necessary. Also, consider using a signal integrity analysis tool to simulate and optimize your design.
  • Yes, the SN74AHC240DWR can be used in a 3.3V system, but the output voltage will be limited to 3.3V. This may affect the noise margin and signal integrity, especially if the device is driving a load that requires a higher voltage.
  • To avoid latch-up or other issues, ensure that the VCC pin is powered up before the input signals, and that the input signals are stable before the output enable (OE) pin is asserted.
  • Use a compact layout, keep the device close to the power supply, and use a ground plane to reduce EMI. Route the output signals away from the input signals, and use shielding or guard rings to minimize crosstalk.

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SN74AHC240DWR 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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