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SN74AS74AD - Texas Instruments

Description: Texas Instruments SN74AS74AD, Dual, D Type Flip Flop, 3-State, 4.5 → 5.5 V, 14-Pin SOIC

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SN74AS74AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN74AS74AD - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74AS74AD Details

  • Manufacturer Part Number:

    SN74AS74AD

  • 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:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    AS

  • 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:

    105000000 Hz

  • Max I(ol):

    0.02 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):

    16 mA

  • Prop. Delay@Nom-Sup:

    9 ns

  • Propagation Delay (tpd):

    9 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:

    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:

    3.91 mm

  • fmax-Min:

    100 MHz

SN74AS74AD Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the SN74AS74AD is 4.5V to 5.5V, although it can operate down to 3V with reduced performance.
  • To ensure reliable operation in high-temperature environments, it's recommended to derate the device's power dissipation according to the thermal derating curve provided in the datasheet, and to ensure good thermal conduction to a heat sink or PCB.
  • The maximum clock frequency that the SN74AS74AD can handle is 100 MHz, although this may vary depending on the specific application and operating conditions.
  • To handle metastability issues in the SN74AS74AD, it's recommended to use synchronous clocking, ensure that the clock signal is clean and stable, and to use asynchronous clock domain crossing circuits if necessary.
  • The recommended layout and routing strategy for the SN74AS74AD is to keep the clock signal traces short and shielded, use a solid ground plane, and to minimize signal crosstalk and noise.

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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 SN74AS74ADR Texas Instruments

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

Part Image DM74AS74M Fairchild Semiconductor Corporation

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

Part Image SN74AS74D Texas Instruments

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

Part Image SN74AS74ADE4 Texas Instruments

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