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SN74HCS244RKSR - Texas Instruments

Description: Buffers & Line Drivers Octal buffers and line drivers with 3-state outputs and Schmitt trigger inputs 20-VQFN -40 to 125

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SN74HCS244RKSR - Texas Instruments PCB footprint - Other - Other - RKS0020A_2
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SN74HCS244RKSR - Texas Instruments  - 3D model - Other - RKS0020A_2
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SN74HCS244RKSR Details

  • Manufacturer Part Number:

    SN74HCS244RKSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    4.5 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.1X.18,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.002 mA

  • Prop. Delay@Nom-Sup:

    45 ns

  • Propagation Delay (tpd):

    45 ns

  • Schmitt Trigger:

    YES

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    2.5 mm

SN74HCS244RKSR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HCS244RKSR is 50 MHz, but it can vary depending on the output load and supply voltage.
  • To ensure signal integrity, use a low-impedance output termination, keep the output traces short and well-matched, and use a ground plane to reduce noise and crosstalk.
  • Yes, the SN74HCS244RKSR is compatible with 3.3V systems, but the output voltage will be limited to VCC - 0.5V. Ensure that the receiving device can tolerate this reduced output voltage.
  • To avoid latch-up or damage, ensure that the VCC supply is powered up before the input signals, and that the input signals are stable before the VCC supply is powered down.
  • Use a star topology for the power supply connections, keep the input and output traces separate, and use a ground plane to reduce EMI and noise. Avoid running sensitive signals near the device's power pins.

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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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Part Image PSN74HCS244RKSR Texas Instruments

Bus Driver, HC Series, 2-Func, 4-Bit, True Output, CMOS, PQCC20