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SN74ALS874BDW - Texas Instruments

Description: Flip Flops Dual 4-Bit D-Ty Edge-Trig F-F

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SN74ALS874BDW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G24)
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SN74ALS874BDW - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G24)
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SN74ALS874BDW Details

  • Manufacturer Part Number:

    SN74ALS874BDW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    24

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH CLEAR

  • Control Type:

    INDEPENDENT CONTROL

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    15.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max Frequency@Nom-Sup:

    30000000 Hz

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP24,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    31 mA

  • Prop. Delay@Nom-Sup:

    14 ns

  • Propagation Delay (tpd):

    14 ns

  • Qualification Status:

    Not Qualified

  • 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

SN74ALS874BDW Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS874BDW is 100 MHz, but it can vary depending on the system design and capacitive loading.
  • To ensure signal integrity, use controlled impedance traces, minimize trace length, and add termination resistors as needed. Also, follow Texas Instruments' recommendations for PCB layout and design.
  • Yes, the SN74ALS874BDW is compatible with 3.3V systems, but ensure that the input voltage does not exceed the maximum rating of 7V. Also, be aware of the reduced noise margin at lower supply voltages.
  • Ensure that the VCC pin is powered up before the input signals, and that the input signals are stable before the clock signal is applied. Follow a controlled power-up sequence to prevent latch-up or damage to the device.
  • The recommended termination scheme is a series terminator (Rs) of 22-33 ohms, followed by a parallel terminator (Rt) of 50-75 ohms to ground. This helps to reduce reflections and improve signal quality.

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SN74ALS874BDW 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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