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SN74LS31N - Texas Instruments

Description: Hex Delay Elements for Generating Delay Lines

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SN74LS31N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74LS31N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74LS31N Details

  • Manufacturer Part Number:

    SN74LS31N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, 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-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.304 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    ACTIVE DELAY LINE

  • Max I(ol):

    0.024 A

  • Number of Functions:

    6

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    20 mA

  • Programmable Delay Line:

    NO

  • Prop. Delay@Nom-Sup:

    48 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Total Delay-Nom (td):

    95 ns

  • Width:

    7.62 mm

SN74LS31N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS31N is typically around 30 MHz, but it can vary depending on the specific application and operating conditions.
  • The SN74LS31N has a maximum output current of 16 mA per output pin. To handle higher current requirements, you can use an external buffer or driver, or consider using a different device with higher output current capability.
  • The power consumption of the SN74LS31N depends on the operating frequency, input voltage, and output loading. Typically, the quiescent current is around 10-20 mA, and the dynamic current is around 50-100 mA per MHz of operating frequency.
  • The SN74LS31N is designed to operate from a 4.75V to 5.25V supply voltage. While it may work in a 3.3V system, it's not recommended as it may not meet the specified performance and may not be reliable. For 3.3V systems, consider using a device with a lower voltage rating, such as the 74LVC1G31.
  • The SN74LS31N has open-collector outputs, which require an external pull-up resistor to VCC to ensure proper operation. The value of the pull-up resistor depends on the specific application and operating conditions, but a typical value is around 1-4.7 kΩ.

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SN74LS31N 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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