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SN74HCT244DWE4 - Texas Instruments

Description: Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt

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SN74HCT244DWE4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74HCT244DWE4 - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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SN74HCT244DWE4 Details

  • Manufacturer Part Number:

    SN74HCT244DWE4

  • 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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    HCT

  • 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:

    4

  • Number of Functions:

    2

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °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):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    56 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:

    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

SN74HCT244DWE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HCT244DWE4 is 50 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 and power down the VCC pin after the input signals to prevent unwanted output states.
  • The recommended operating voltage range for the SN74HCT244DWE4 is 4.5V to 5.5V, but it can operate down to 4V with reduced performance.
  • Use proper PCB layout techniques, such as impedance matching, signal termination, and shielding, to minimize signal reflections and noise.
  • Yes, the SN74HCT244DWE4 can be used in a 3.3V system, but the output voltage will be limited to 3.3V, and the input threshold voltage may not be compatible with 3.3V logic levels.

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SN74HCT244DWE4 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 CD74HCT244M Texas Instruments

Bus Driver, HCT Series, 6-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image HD74HCT244RP Renesas Electronics Corporation

Bus Driver, HCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74HCT244D-T NXP Semiconductors

Bus Driver, HCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74HCT244D/T3 Nexperia

Bus Driver, HCT Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image GD54HCT244D Goldstar Electron Co Ltd

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For a full list of alternate parts for SN74HCT244DWE4, check out Findchips.com