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SN74LS20N - Texas Instruments

Description: Logic Gates Dual 4-Input

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SN74LS20N - Texas Instruments - PCB symbol
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PCB Footprints
SN74LS20N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - Plastic dual-in-line package
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SN74LS20N - Texas Instruments - 3D model - Dual-In-Line Packages - Plastic dual-in-line package
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SN74LS20N Details

  • Manufacturer Part Number:

    SN74LS20N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    NAND GATE

  • Max I(ol):

    0.016 A

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    2.2 mA

  • Prop. Delay@Nom-Sup:

    15 ns

  • Propagation Delay (tpd):

    15 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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

  • Width:

    7.62 mm

SN74LS20N Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74LS20N is typically around 35 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking and ensuring good airflow around the device. Additionally, consider using a thermal interface material to improve heat transfer between the device and the heat sink.
  • The recommended power-on sequence for the SN74LS20N is to apply power to the VCC pin first, followed by the input signals. This helps prevent unwanted output states during power-up.
  • To minimize EMI when using the SN74LS20N, use proper PCB layout techniques, such as separating analog and digital circuits, using ground planes, and adding decoupling capacitors. Additionally, consider using EMI filters or shielding to reduce radiated emissions.
  • The maximum input voltage that can be applied to the SN74LS20N is 5.5V. Exceeding this voltage can cause damage to the device.

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SN74LS20N Overview

Use the download button to access the SN74LS20N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74L, or try a keyword search, such as Gates

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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SN74LS20N Alternates

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Part Image SN54L20J Rochester Electronics LLC

NAND Gate, TTL/H/L Series, 2-Func, 4-Input, TTL, CDIP14
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Part Image 74LS20DC Fairchild Semiconductor Corporation

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Part Image GD74HC20J Goldstar Electron Co Ltd

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For a full list of alternate parts for SN74LS20N, check out Findchips.com