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SN74AHCT240DW - Texas Instruments

Description: Octal Buffers/Drivers With 3-State Outputs

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PCB Footprints
SN74AHCT240DW - Texas Instruments PCB footprint - Other - Other - SOIC127P1030X265-20N
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SN74AHCT240DW - Texas Instruments  - 3D model - Other - SOIC127P1030X265-20N
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SN74AHCT240DW Details

  • Manufacturer Part Number:

    SN74AHCT240DW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AHCT/VHCT/VT

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • 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:

    125 °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

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    10.5 ns

  • Propagation Delay (tpd):

    10.5 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

SN74AHCT240DW Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AHCT240DW is 80 MHz, but it can vary depending on the system design and capacitive load.
  • It is recommended to power up the VCC pin before the input signals to prevent unwanted latch-up or damage to the device. Also, ensure that the input signals are stable before applying the clock signal.
  • The recommended termination scheme for the SN74AHCT240DW is to use a series resistor (Rs) of 22-33 ohms and a parallel capacitor (Cp) of 10-20 pF at the output pins to minimize ringing and reflections.
  • Yes, the SN74AHCT240DW is compatible with 3.3V systems, but ensure that the input signals are within the recommended voltage range (Vih = 2.0V, Vil = 0.8V) to maintain proper operation.
  • The SN74AHCT240DW has a maximum junction temperature (Tj) of 150°C. Ensure good thermal conductivity between the device and the PCB, and consider using thermal vias or heat sinks if necessary.

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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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