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SN74LS243DR - Texas Instruments

Description: Quad bus transceivers

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SN74LS243DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS243DR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS243DR Details

  • Manufacturer Part Number:

    SN74LS243DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION

  • Control Type:

    INDEPENDENT CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    4

  • Number of Ports:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • 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

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    1.75 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 (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

SN74LS243DR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS243DR is 30 MHz, but it can vary depending on the load capacitance and the output current.
  • No, the SN74LS243DR is a 5V device and is not recommended for use in 3.3V systems. Using it in a 3.3V system may result in reduced performance, incorrect operation, or even damage to the device.
  • Unused inputs of the SN74LS243DR should be tied to a valid logic level (either VCC or GND) to prevent them from floating and causing unwanted oscillations or power consumption.
  • The maximum power dissipation of the SN74LS243DR is 500 mW, but it can vary depending on the operating frequency, output current, and ambient temperature.
  • The SN74LS243DR is rated for operation up to 70°C, but it can be used in higher temperature environments with derating. However, it's recommended to consult the datasheet and application notes for specific guidance on high-temperature operation.

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SN74LS243DR 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 M74HC243RM13TR STMicroelectronics

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Part Image DM74LS243MX Fairchild Semiconductor Corporation

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Part Image SN74HC243D-00 Texas Instruments

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For a full list of alternate parts for SN74LS243DR, check out Findchips.com