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SN74LS673DW - Texas Instruments

Description: Serial-in shift registers with output storage registers

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SN74LS673DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G24)
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SN74LS673DW - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G24)
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SN74LS673DW Details

  • Manufacturer Part Number:

    SN74LS673DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    24

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PARALLEL OUTPUT IS REGISTERED; ASYNCHRONOUS CLEAR FOR STORAGE REGISTER; COMMON SERIAL I/O PIN

  • Count Direction:

    RIGHT

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    15.4 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    SERIAL IN PARALLEL OUT

  • Max Frequency@Nom-Sup:

    20000000 Hz

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP24,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    80 mA

  • Prop. Delay@Nom-Sup:

    40 ns

  • Propagation Delay (tpd):

    40 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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 (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trigger Type:

    NEGATIVE EDGE

  • Width:

    7.5 mm

  • fmax-Min:

    25 MHz

SN74LS673DW Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS673DW is 2 MHz, but it can be operated at higher frequencies with proper signal integrity and layout considerations.
  • To ensure reliable data transfer, ensure that the input signals are properly terminated, use a pull-up resistor on the output, and maintain a stable power supply voltage.
  • The recommended power-on sequence is to apply power to the VCC pin first, followed by the clock signal, and then the input data. This ensures that the device is properly initialized and minimizes the risk of latch-up or incorrect operation.
  • While the SN74LS673DW is specified for 5V operation, it can be used in a 3.3V system with some limitations. However, the output voltage levels may not be compatible with 3.3V logic, and the device's performance may be degraded. Consult the datasheet and application notes for more information.
  • The asynchronous reset input (R) should be tied to VCC through a pull-up resistor to ensure that the device is properly reset. A capacitor can be added in parallel to the pull-up resistor to filter out noise and ensure a clean reset signal.

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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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