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SN74LS31D - Texas Instruments

Description: SN74LS31D, Delay Line, 14-Taps 95ns 8-Input, 16-Pin SOIC

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SN74LS31D - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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SN74LS31D - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
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SN74LS31D Details

  • Manufacturer Part Number:

    SN74LS31D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    INVERTING, NON INVERTING AND NAND GATES ACTING AS DELAY ELEMENTS

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    ACTIVE DELAY LINE

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    6

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • 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

  • Programmable Delay Line:

    NO

  • Prop. Delay@Nom-Sup:

    48 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

  • Total Delay-Nom (td):

    95 ns

  • Width:

    3.9 mm

SN74LS31D Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS31D is 30 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 operate the device within the recommended operating temperature range (-40°C to 85°C) and to provide adequate heat sinking to prevent overheating.
  • The recommended power-on sequence for the SN74LS31D is to apply power to the VCC pin before applying any input signals to the device.
  • The SN74LS31D is a 5V device, but it can be used in a 3.3V system with some limitations. The output voltage will be reduced, and the device may not meet the specified propagation delay and output current requirements.
  • Unused inputs on the SN74LS31D should be tied to a valid logic level (either VCC or GND) to prevent unwanted switching and to reduce power consumption.

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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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