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SN74LS20D - Texas Instruments

Description: Dual 4-input positive-NAND gates

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SN74LS20D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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3D Models
SN74LS20D - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS20D Details

  • Manufacturer Part Number:

    SN74LS20D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    NAND GATE

  • Max I(ol):

    0.016 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • 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:

    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

SN74LS20D Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS20D is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation of the SN74LS20D in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and minimizing power consumption.
  • The SN74LS20D is a 5V device, but it can be used in a 3.3V system with some limitations. The device's input voltage threshold will be higher than the 3.3V supply, which may affect its performance. It's recommended to use a level translator or a voltage regulator to ensure proper operation.
  • To minimize EMI when using the SN74LS20D, it's essential to follow proper PCB design practices, such as using a solid ground plane, minimizing trace lengths, and using shielding or filtering components as needed.
  • The typical power consumption of the SN74LS20D is around 20-30 mW, depending on the operating frequency and input signals. However, this value can vary depending on the specific application and operating conditions.

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SN74LS20D 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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Part Image SN74LS20D Rochester Electronics LLC

NAND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74AS20DE4 Texas Instruments

NAND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74LS20D Motorola Semiconductor Products

NAND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74AS20DG4 Texas Instruments

NAND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74LS20DRE4 Texas Instruments

NAND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14

For a full list of alternate parts for SN74LS20D, check out Findchips.com