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74AC240SC - onsemi

Description: Obsolete - Octal Bidirectional Transceiver with 3-STATE Inputs/ Outputs

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74AC240SC - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC−20 WB CASE 751D−05 ISSUE H
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74AC240SC - onsemi  - 3D model - Small Outline Packages - SOIC−20 WB CASE 751D−05 ISSUE H
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74AC240SC Details

  • Manufacturer Part Number:

    74AC240SC

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-20W

  • Package Description:

    SOIC-20

  • Manufacturer Package Code:

    751D-05

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Family:

    AC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8015 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.012 A

  • Moisture Sensitivity Level:

    3

  • Number of Bits:

    4

  • Number of Functions:

    2

  • 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:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    9 ns

  • Propagation Delay (tpd):

    9 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.642 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.493 mm

74AC240SC Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the 74AC240SC is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • The output enable (OE) pin is active-low, meaning that the outputs are enabled when OE is low and disabled when OE is high. You should connect OE to a logic low signal to enable the outputs, and to a logic high signal to disable them.
  • The recommended power-on sequence for the 74AC240SC is to apply power to the VCC pin before applying any input signals. This helps to prevent latch-up and ensures proper device operation.
  • Yes, the 74AC240SC is compatible with 5V systems, but you should ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to prevent damage to the device.
  • To prevent bus contention, you should ensure that only one device is driving the bus at a time. You can use the output enable (OE) pin to disable the outputs of the 74AC240SC when it's not supposed to be driving the bus.

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74AC240SC Overview

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Part Image MC74AC240DWR2 Rochester Electronics LLC

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Part Image MC74AC240DWR2G Rochester Electronics LLC

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Part Image 74AC240SCX Rochester Electronics LLC

Bus Driver, AC Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDSO20

Part Image MC74AC240DWC Motorola Semiconductor Products

Bus Driver, AC Series, 2-Func, 4-Bit, Inverted Output, CMOS, PDSO20

Part Image SN74AC240DWG4 Texas Instruments

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For a full list of alternate parts for 74AC240SC, check out Findchips.com