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SN74LS245DWG4 - Texas Instruments

Description: Bus XCVR Single 8-CH 3-ST 20-Pin SOIC Tube

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SN74LS245DWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G20)
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SN74LS245DWG4 - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G20)
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SN74LS245DWG4 Details

  • Manufacturer Part Number:

    SN74LS245DWG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-20

  • Pin Count:

    20

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH DIRECTION CONTROL

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • 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 TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • 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):

    90 mA

  • Prop. Delay@Nom-Sup:

    12 ns

  • Propagation Delay (tpd):

    12 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

SN74LS245DWG4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS245DWG4 is 30 MHz, but it can vary depending on the system design and capacitive loading.
  • To handle bus contention, ensure that only one device is driving the bus at a time. Use the output enable (OE) pin to tri-state the outputs when not in use, and consider using a bus arbiter or multiplexer to manage multiple devices accessing the bus.
  • The SN74LS245DWG4 can sink up to 24 mA and source up to 15 mA per output pin, but it's recommended to limit the current to 10 mA per pin to ensure reliable operation.
  • The SN74LS245DWG4 is a 5V device, but it can be used in a 3.3V system with some limitations. The output voltage will be lower, and the device may not meet the specified propagation delay and rise/fall times. Consult the datasheet and perform thorough testing to ensure compatibility.
  • To ensure signal integrity, use a low-impedance PCB design, keep signal traces short, and use termination resistors or series resistors to reduce reflections. Also, consider using a buffer or repeater to regenerate the signal and improve signal quality.

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SN74LS245DWG4 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 SN74LS245DW onsemi

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Part Image DV74LS245D avg Semiconductors

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For a full list of alternate parts for SN74LS245DWG4, check out Findchips.com