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SN74LS174DR - Texas Instruments

Description: Hex D-Type Flip-Flops With Clear

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SN74LS174DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS174DR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS174DR Details

  • Manufacturer Part Number:

    SN74LS174DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    30000000 Hz

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    6

  • Number of Functions:

    6

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    26 mA

  • Prop. Delay@Nom-Sup:

    30 ns

  • Propagation Delay (tpd):

    30 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 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:

    3.9 mm

  • fmax-Min:

    35 MHz

SN74LS174DR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS174DR is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power and decoupling, use a 5V power supply, add a 0.1uF decoupling capacitor between VCC and GND, and use a 10uF bulk capacitor for each 10 ICs on the board.
  • The SN74LS174DR can sink up to 16mA and source up to 12mA per output, but it's recommended to limit the current to 8mA per output to ensure reliable operation.
  • The CLR input should be tied to VCC through a 1kΩ resistor to ensure that the flip-flops are properly cleared during power-up. A capacitor can also be added to filter out noise.
  • Use a star topology for power and ground connections, keep signal traces short and away from noise sources, and use a ground plane to reduce noise and EMI.

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SN74LS174DR 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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Image Part Number Model
Part Image SN74LS174DR2 Rochester Electronics LLC

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 6-Bit, True Output, TTL, PDSO16

Part Image DM74LS174MX National Semiconductor Corporation

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 6-Bit, True Output, TTL, PDSO16

Part Image SN74LS174D onsemi

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 6-Bit, True Output, TTL, PDSO16

Part Image N74LS174D Signetics

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 6-Bit, True Output, TTL, PDSO16

Part Image DM74LS174M Fairchild Semiconductor Corporation

D Flip-Flop, LS Series, 6-Func, Positive Edge Triggered, 1-Bit, True Output, TTL, PDSO16

For a full list of alternate parts for SN74LS174DR, check out Findchips.com