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74VHC244M - onsemi

Description: Last Shipments - Octal Buffer/Line Driver with 3-STATE Outputs

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PCB Footprints
74VHC244M - onsemi PCB footprint - Other - Other - SOIC127P1032X264-20N
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74VHC244M - onsemi  - 3D model - Other - SOIC127P1032X264-20N
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74VHC244M Details

  • Manufacturer Part Number:

    74VHC244M

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-20W

  • Package Description:

    0.300 INCH, MS-013, SOIC-20

  • Manufacturer Package Code:

    751BJ

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Family:

    AHC/VHC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8015 mm

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • 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

  • Packing Method:

    RAIL

  • Peak Reflow Temperature (Cel):

    260

  • Prop. Delay@Nom-Sup:

    8.5 ns

  • Propagation Delay (tpd):

    13.5 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.642 mm

  • Supply Voltage-Max (Vsup):

    5.5 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

74VHC244M Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the 74VHC244M is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • The output enable (OE) pin should be connected to a logic signal that is asserted low to enable the outputs and de-asserted high to disable the outputs. If left unconnected, the OE pin will default to a logic high, disabling the outputs.
  • The recommended power-up sequence is to apply power to the VCC pin before applying any input signals. This ensures that the device is properly initialized and minimizes the risk of latch-up or other unexpected behavior.
  • Yes, the 74VHC244M is compatible with 3.3V systems. It has a wide operating voltage range of 2.0V to 5.5V, making it suitable for use in 3.3V systems.
  • The 74VHC244M has a high-impedance output stage, so it's essential to ensure that the outputs are properly terminated to prevent signal reflections and oscillations. A 50Ω pull-up or pull-down resistor is typically recommended.

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74VHC244M Overview

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Part Image 74VHC244M Fairchild Semiconductor Corporation

Bus Driver, AHC/VHC Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74VHC244MX Fairchild Semiconductor Corporation

Bus Driver, AHC/VHC Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74VHC244MX Texas Instruments

Bus Driver, AHC/VHC Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74VHC244MX National Semiconductor Corporation

Bus Driver, AHC/VHC Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

Part Image 74VHC244MX onsemi

Bus Driver, AHC/VHC Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20

For a full list of alternate parts for 74VHC244M, check out Findchips.com