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SN74LS42N - Texas Instruments

Description: BCD-decimal inverting decoder,SN74LS42N

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PCB Footprints
SN74LS42N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP--16
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SN74LS42N - Texas Instruments  - 3D model - Dual-In-Line Packages - PDIP--16
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SN74LS42N Details

  • Manufacturer Part Number:

    SN74LS42N

  • 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

  • Family:

    LS

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    DECIMAL DECODER/DRIVER

  • Max I(ol):

    0.008 A

  • Number of Bits:

    10

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    INVERTED

  • 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):

    10 mA

  • Prop. Delay@Nom-Sup:

    30 ns

  • Propagation Delay (tpd):

    30 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

  • Width:

    7.62 mm

SN74LS42N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS42N is typically 35 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 85°C).
  • The recommended power-on sequence for the SN74LS42N is to apply power to the VCC pin first, followed by the input signals. This helps to prevent unwanted output states during power-up.
  • To minimize EMI when using the SN74LS42N, it is recommended to use proper PCB layout techniques, such as separating analog and digital circuits, using ground planes, and adding decoupling capacitors.
  • The SN74LS42N is a 5V device, but it can be used in a 3.3V system with proper level shifting and voltage regulation. However, this may require additional circuitry and design considerations.

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SN74LS42N 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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For a full list of alternate parts for SN74LS42N, check out Findchips.com