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74HC244D - Nexperia

Description: NEXPERIA - 74HC244D - IC, 74HC CMOS, SMD, 74HC244, SOIC20

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74HC244D - Nexperia - PCB symbol
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74HC244D - Nexperia PCB footprint - Small Outline Packages - Small Outline Packages - NXP SOT163-1
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74HC244D - Nexperia - 3D model - Small Outline Packages - NXP SOT163-1
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74HC244D Details

  • Manufacturer Part Number:

    74HC244D

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-20

  • Country Of Origin:

    Mainland China, Thailand

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1991-06-27

  • Manufacturer:

    Nexperia

  • YTEOL:

    5.35

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.0078 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    70 mA

  • Propagation Delay (tpd):

    165 ns

  • 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:

    AUTOMOTIVE

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

74HC244D Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the 74HC244D is typically around 100 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to consult the datasheet and perform simulations to determine the maximum frequency for a specific design.
  • It's recommended to power up the VCC pin before applying any input signals, and to power down the VCC pin after removing all input signals. Additionally, it's a good practice to add a power-on reset circuit to ensure that the device is properly initialized during power-up.
  • The recommended operating voltage range for the 74HC244D is 2.0 V to 6.0 V, with a typical operating voltage of 5.0 V. Operating the device outside of this range may affect its performance and reliability.
  • The 74HC244D is an octal buffer/line driver with 3-state outputs, and it requires proper termination to prevent signal reflections and ensure signal integrity. It's recommended to use a termination resistor (e.g., 22 ohms) at the far end of the transmission line, and to use a series resistor (e.g., 33 ohms) at the output of the device.
  • The maximum output current for the 74HC244D is typically around 35 mA per output pin, with a total output current of 70 mA for all output pins combined. Exceeding this limit may cause the device to overheat or malfunction.

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74HC244D Overview

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About Nexperia

Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.

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74HC244D Alternates

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Image Part Number Model
Part Image V62/03607-01XE Texas Instruments

Bus Driver, HC/UH Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Part Image 74HC244D NXP Semiconductors

Bus Driver, HC/UH Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20
Part Image M74HC7244RM13TR STMicroelectronics

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Part Image M74HC7244M1R STMicroelectronics

Bus Driver, HC/UH Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20
Part Image TC74HC244AFW-TP2 Toshiba America Electronic Components

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For a full list of alternate parts for 74HC244D, check out Findchips.com