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SN74ALS574BDW - Texas Instruments

Description: Texas Instruments SN74ALS574BDW, D Type Bus Interface Flip Flop, 3-State, 4.5 → 5.5 V, 20-Pin SOIC

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SN74ALS574BDW - Texas Instruments PCB footprint - Other - Other - SOIC127P1030X265-20N
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SN74ALS574BDW - Texas Instruments  - 3D model - Other - SOIC127P1030X265-20N
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SN74ALS574BDW Details

  • Manufacturer Part Number:

    SN74ALS574BDW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    BROADSIDE VERSION OF 374

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    ALS

  • 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:

    35000000 Hz

  • Max I(ol):

    0.024 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:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    30 mA

  • Prop. Delay@Nom-Sup:

    14 ns

  • Propagation Delay (tpd):

    14 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

SN74ALS574BDW Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74ALS574BDW is 100 MHz.
  • To ensure proper initialization, connect the CLR (clear) input to VCC through a pull-up resistor and add a capacitor from CLR to GND to filter out any noise.
  • While the SN74ALS574BDW is a latch, it can be used as a flip-flop by connecting the Q output back to the D input, but this is not recommended as it may lead to oscillations and instability.
  • The SN74ALS574BDW can drive up to 15 pF of capacitive load per output.
  • To avoid bus contention, use open-drain outputs or tri-state buffers to isolate the outputs of each device, and ensure that only one device is enabled at a time.

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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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