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74AC244SC - onsemi

Description: 3-STATE outputs drive bus lines or buffer memory address registers; ACT244 has TTL-compatible inputs; ICC and IOZ reduced by 50%; Outputs source/sink 24 mA

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74AC244SC - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead Small Outline Integrated Circuit
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74AC244SC - onsemi  - 3D model - Small Outline Packages - 20-Lead Small Outline Integrated Circuit
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74AC244SC Details

  • Manufacturer Part Number:

    74AC244SC

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-20W

  • Manufacturer Package Code:

    751D-05

  • Country Of Origin:

    Mainland China, Malaysia

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    5

  • Control Type:

    ENABLE LOW

  • Family:

    AC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • 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:

    TRUE

  • 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:

    10 ns

  • Propagation Delay (tpd):

    10 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 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 (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

74AC244SC Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the 74AC244SC is typically 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB design techniques such as impedance matching, signal routing, and decoupling capacitors. Also, ensure that the power supply is clean and stable.
  • The recommended power-on sequence is to apply VCC first, followed by the input signals. This ensures that the device is properly initialized and minimizes the risk of latch-up or damage.
  • Yes, the 74AC244SC can be used in a 3.3V system, but ensure that the input signals are within the recommended voltage range (Vih = 2.0V, Vil = 0.8V) and that the output current is within the specified limits.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.

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74AC244SC Overview

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Part Image MC74AC244DWG Rochester Electronics LLC

AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, LEAD FREE, SOIC-20

Part Image 74AC244SC Fairchild Semiconductor Corporation

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

Part Image 74AC244SCX National Semiconductor Corporation

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

Part Image MC74AC244DW onsemi

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

Part Image 74AC244D NXP Semiconductors

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

For a full list of alternate parts for 74AC244SC, check out Findchips.com