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SN74AS240ADW - Texas Instruments

Description: Octal Buffers/Drivers With 3-State Outputs

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SN74AS240ADW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW
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SN74AS240ADW Details

  • Manufacturer Part Number:

    SN74AS240ADW

  • 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:

    AS

  • 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):

    0.064 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    8

  • 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,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    75 mA

  • Prop. Delay@Nom-Sup:

    6.5 ns

  • Propagation Delay (tpd):

    6.5 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-PRF-38535

  • 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:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • 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

SN74AS240ADW Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AS240ADW is 100 MHz, but it can vary depending on the load capacitance and the output current.
  • To ensure signal integrity, use a low-impedance PCB design, keep the signal traces short, and use termination resistors if necessary. Also, ensure that the power supply is clean and well-regulated.
  • Yes, the SN74AS240ADW can operate from a 3.3V power supply, but the output voltage will be limited to around 3.0V. Additionally, the input voltage threshold may be affected, so ensure that the input signals are compatible with the device's input voltage threshold.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods. Also, consider using a thermally-enhanced package or a device with a lower power dissipation rating.
  • The SN74AS240ADW is a 5V-tolerant device, meaning it can accept 5V input signals, but the output voltage will be limited to around 4.5V. However, it's recommended to use level translators or voltage dividers if the input signals are not compatible with the device's input voltage threshold.

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SN74AS240ADW 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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