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SN74AC240N - Texas Instruments

Description: Octal Buffers/Drivers With 3-State Outputs

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SN74AC240N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74AC240N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74AC240N Details

  • Manufacturer Part Number:

    SN74AC240N

  • 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:

    AC

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 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:

    85 °C

  • Operating Temperature-Min:

    -40 °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):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    9 ns

  • Propagation Delay (tpd):

    9 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74AC240N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AC240N is 100 MHz, but it can vary depending on the load capacitance and the output current.
  • To ensure signal integrity, use a low-impedance PCB design, keep the signal traces short, and use termination resistors to match the impedance of the transmission line. Additionally, use a decoupling capacitor to reduce noise and ringing.
  • Yes, the SN74AC240N is compatible with 3.3V systems, but the output voltage will be limited to VCC-0.5V. Additionally, the input voltage threshold may be affected, so ensure that the input signals meet the recommended voltage levels.
  • To avoid latch-up or other issues, ensure that the power supplies to each device are sequenced in a way that VCC is applied before the input signals. A power-on reset circuit can also be used to ensure that the devices are properly initialized.
  • Use a star topology for the power and ground connections, and keep the signal traces away from the power and ground planes. Use a ground plane to reduce inductance and radiation. Additionally, use a shielded enclosure and consider using EMI filters or ferrite beads to reduce emissions.

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SN74AC240N 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 SN74AC240N, check out Findchips.com