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SN74LS240N - Texas Instruments

Description: OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS

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SN74LS240N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 20 lead pdip
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SN74LS240N - Texas Instruments  - 3D model - Dual-In-Line Packages - 20 lead pdip
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SN74LS240N Details

  • Manufacturer Part Number:

    SN74LS240N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.024 A

  • Number of Bits:

    4

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    50 mA

  • Prop. Delay@Nom-Sup:

    18 ns

  • Propagation Delay (tpd):

    18 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

SN74LS240N Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74LS240N 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 recommended operating temperature range of 0°C to 70°C.
  • The recommended power-on sequence for the SN74LS240N 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 handle bus contention when using the SN74LS240N as a bus transceiver, it is recommended to use a bus arbiter or a bus controller to manage access to the bus, and to ensure that only one device is driving the bus at a time.
  • The maximum capacitive load that the SN74LS240N can drive is typically 100 pF, but this can vary depending on the specific application and operating conditions.

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SN74LS240N 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 SNJ54LS240J-00 Texas Instruments

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Part Image T74LS240B1 STMicroelectronics

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Part Image N74LS240N Signetics

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Part Image SN54LS240JD Motorola Semiconductor Products

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For a full list of alternate parts for SN74LS240N, check out Findchips.com