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SN74LS244DWG4 - Texas Instruments

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

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SN74LS244DWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74LS244DWG4 - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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SN74LS244DWG4 Details

  • Manufacturer Part Number:

    SN74LS244DWG4

  • 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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • 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):

    50 mA

  • Prop. Delay@Nom-Sup:

    18 ns

  • Propagation Delay (tpd):

    18 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • 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

SN74LS244DWG4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS244DWG4 is 35 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 to match the impedance of the transmission line. Additionally, consider using a buffer or repeater to regenerate the signal if it needs to travel a long distance.
  • The recommended power-on sequence is to apply VCC first, followed by the input signals. This ensures that the device is properly initialized and minimizes the risk of latch-up or other unexpected behavior.
  • Yes, the SN74LS244DWG4 can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the device's input voltage threshold will be lower than the typical 2V for a 5V system, so ensure that the input signals meet the recommended voltage levels.
  • To handle thermal issues, ensure good thermal conduction between the device and the PCB, use a heat sink if necessary, and keep the device away from other heat sources. Additionally, consider using a device with a higher power rating or a different package type that is more suitable for high-power applications.

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SN74LS244DWG4 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 DM74LS244WMX Texas Instruments

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Part Image HD74LS244RP Renesas Electronics Corporation

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For a full list of alternate parts for SN74LS244DWG4, check out Findchips.com