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SN74AS574DWR - Texas Instruments

Description: Octal D-Type Edge-Triggered Flip-Flops With 3-State Outputs

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SN74AS574DWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74AS574DWR - Texas Instruments  - 3D model - Small Outline Packages - DW0020A
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SN74AS574DWR Details

  • Manufacturer Part Number:

    SN74AS574DWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    BROADSIDE VERSION OF 374

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AS

  • 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 Frequency@Nom-Sup:

    90000000 Hz

  • Max I(ol):

    0.048 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °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:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    142 mA

  • Prop. Delay@Nom-Sup:

    9 ns

  • Propagation Delay (tpd):

    9 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.5 mm

SN74AS574DWR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AS574DWR is 100 MHz, but it can vary depending on the system design and capacitive loading.
  • It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up conditions.
  • The recommended termination scheme for the SN74AS574DWR is to use a series resistor (Rs) of 22-33 ohms and a parallel capacitor (Cp) of 10-20 pF at the output of each driver. This helps to reduce reflections and improve signal integrity.
  • Yes, the SN74AS574DWR can operate in a 3.3V system, but the output voltage will be limited to 3.3V. The device is also compatible with 5V systems, but the output voltage will be limited to 5V.
  • The SN74AS574DWR has a maximum junction temperature (TJ) of 150°C. To ensure reliable operation, it is recommended to keep the device temperature below 125°C. This can be achieved by using a heat sink, improving air flow, or reducing the power consumption of the device.

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SN74AS574DWR Overview

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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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