Part Image

SN74LS244DWE4 - Texas Instruments

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

Download SN74LS244DWE4 Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
SN74LS244DWE4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
click to zoom
3D Models
SN74LS244DWE4 - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
click to zoom

SN74LS244DWE4 Details

  • Manufacturer Part Number:

    SN74LS244DWE4

  • 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

SN74LS244DWE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS244DWE4 is 35 MHz, but it can vary depending on the load capacitance and the output current.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its recommended operating temperature range of -40°C to 85°C.
  • The recommended input voltage range for the SN74LS244DWE4 is 4.5V to 5.5V, but it can operate with input voltages as low as 3V with reduced performance.
  • To handle bus contention when using the SN74LS244DWE4 as a bus transceiver, it is recommended to use a pull-up or pull-down resistor on the bus lines, and to ensure that the output enable (OE) input is properly controlled to prevent multiple devices from driving the bus simultaneously.
  • The maximum output current that the SN74LS244DWE4 can sink or source is 15mA per output pin, but it is recommended to limit the output current to 10mA or less to ensure reliable operation.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

SN74LS244DWE4 Overview

Use the download button to access the SN74LS244DWE4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74L, or try a keyword search, such as Bus Driver/Transceivers

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.

Parts related to SN74LS244DWE4

Showing 0 results

SN74LS244DWE4 Alternates

Showing results

Image Part Number Model
Part Image HD74LS244RP-E Renesas Electronics Corporation

Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20

Part Image DM74LS244WMX National Semiconductor Corporation

Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20

Part Image DM74LS244WMX Texas Instruments

Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20

Part Image SN74LS244DWG4 Texas Instruments

Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20

Part Image 74LS244SC Fairchild Semiconductor Corporation

Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20

For a full list of alternate parts for SN74LS244DWE4, check out Findchips.com