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SN74HCT74DR - Texas Instruments

Description: Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset

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SN74HCT74DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN74HCT74DR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74HCT74DR Details

  • Manufacturer Part Number:

    SN74HCT74DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HCT

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    22000000 Hz

  • Max I(ol):

    0.004 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    35 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 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:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    3.91 mm

  • fmax-Min:

    25 MHz

SN74HCT74DR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HCT74DR is 30 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper initialization, connect the preset (PRE) and clear (CLR) inputs to a valid logic level during power-up. You can also use an external reset circuit to initialize the flip-flops.
  • The recommended operating voltage range for the SN74HCT74DR is 4.5V to 5.5V, with a typical voltage of 5V.
  • The preset and clear inputs are asynchronous, meaning they can be asserted at any time, including during clock transitions. Ensure that these inputs are synchronized with the clock signal to avoid metastability issues.
  • The propagation delay time for the SN74HCT74DR is typically around 10-15 ns, but it can vary depending on the specific application and operating conditions.

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SN74HCT74DR 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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Part Image SN74HCT74DT Texas Instruments

D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14

Part Image SN74HCT74DRG4 Texas Instruments

D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14

Part Image SN74HCT74DG4 Texas Instruments

D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14

Part Image SN74HCT74DTE4 Texas Instruments

D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14

Part Image SN74HCT74DTG4 Texas Instruments

D Flip-Flop, HCT Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14

For a full list of alternate parts for SN74HCT74DR, check out Findchips.com