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SN74LS74AD - Texas Instruments

Description: SN74LS74AD

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SN74LS74AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS74AD - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS74AD Details

  • Manufacturer Part Number:

    SN74LS74AD

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °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:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    8 mA

  • Prop. Delay@Nom-Sup:

    40 ns

  • Propagation Delay (tpd):

    40 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

SN74LS74AD Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS74AD is typically 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper reset, connect the CLR (clear) input to a pull-up resistor and a capacitor to VCC. This will ensure that the flip-flop is reset during power-up.
  • Yes, the SN74LS74AD can be used as a latch by tying the clock input (CLK) to a logic high level. This will allow the device to behave as a level-sensitive latch.
  • The minimum input pulse width required for the SN74LS74AD to trigger correctly is typically around 10 ns, but this can vary depending on the specific application and operating conditions.
  • To handle metastability issues, ensure that the clock signal is clean and has a fast rise time. You can also use synchronizers or other metastability-resistant design techniques to mitigate the issue.

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SN74LS74AD 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 DM74LS74AM Rochester Electronics LLC

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

Part Image SN74LS74ADG4 Texas Instruments

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

Part Image SN74LS74ADRE4 Texas Instruments

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

Part Image DM74LS74AM Texas Instruments

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

Part Image DM74LS74AMX Fairchild Semiconductor Corporation

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

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