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SN74LS423D - Texas Instruments

Description: Texas Instruments SN74LS423D, Dual Monostable Multivibrator 8mA, 16-Pin SOIC

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SN74LS423D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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SN74LS423D - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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SN74LS423D Details

  • Manufacturer Part Number:

    SN74LS423D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 116NS @ REXT = 5K OHM & CEXT = 0

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    MONOSTABLE MULTIVIBRATOR

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    2

  • Number of Data/Clock Inputs:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    20 mA

  • Propagation Delay (tpd):

    56 ns

  • Qualification Status:

    Not Qualified

  • 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

SN74LS423D Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS423D is 10 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable data transfer, make sure to follow proper signal integrity guidelines, use appropriate termination resistors, and maintain a stable power supply. Additionally, ensure that the clock signal is clean and has a sufficient slew rate.
  • The SN74LS423D is a 5V device, but it can be used in a 3.3V system with some limitations. The device's input voltage tolerance is 0.5V to 5.5V, so it can accept 3.3V inputs, but the output voltage will still be 5V. You may need to use level shifters or voltage translators to interface with 3.3V devices.
  • Metastability can occur when the clock signal is not properly synchronized with the data signal. To handle metastability issues, use a clock signal with a sufficient setup and hold time, and ensure that the data signal is properly registered. You can also use synchronizers or metastability-hardened flip-flops to mitigate the issue.
  • The power consumption of the SN74LS423D depends on the operating frequency, input signal levels, and output loading. According to the datasheet, the typical power consumption is around 15mA at 5V and 10MHz clock frequency. However, this value can vary depending on the specific application.

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SN74LS423D 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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