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SN74HC244PWT - Texas Instruments

Description: TEXAS INSTRUMENTS - SN74HC244PWT - BUFFER/DRIVER, NON-INV, 3-STATE, TSSOP20

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SN74HC244PWT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G20)
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SN74HC244PWT Details

  • Manufacturer Part Number:

    SN74HC244PWT

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    HC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 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:

    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:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    29 ns

  • Propagation Delay (tpd):

    210 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 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:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

SN74HC244PWT Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HC244PWT is 50 MHz, but it can vary depending on the load capacitance and the output current.
  • 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.
  • To prevent latch-up and ensure proper operation, it is recommended to power up the VCC pin before applying any input signals, and to power down the VCC pin after removing all input signals.
  • Yes, the SN74HC244PWT is compatible with 5V systems, but you should ensure that the input signals do not exceed the maximum rating of 5.5V to prevent damage to the device.
  • The SN74HC244PWT has a maximum junction temperature of 150°C. You should ensure that the device is properly heat-sinked and that the ambient temperature does not exceed 85°C to prevent overheating.

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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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