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SNJ5472J - Texas Instruments

Description: 5472 AND-GATED J-K MASTER-SLAVE

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SNJ5472J - Texas Instruments - PCB symbol
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PCB Footprints
SNJ5472J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J0014A_2022
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SNJ5472J - Texas Instruments - 3D model - Ceramic Dual-In-Line Packages - J0014A_2022
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SNJ5472J Details

  • Manufacturer Part Number:

    SNJ5472J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH MASTER SLAVE OPERATION; 3 J & 3 K INPUTS ANDED

  • Family:

    TTL/H/L

  • JESD-30 Code:

    R-CDIP-T14

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    J-K FLIP-FLOP

  • Max Frequency@Nom-Sup:

    15000000 Hz

  • Max I(ol):

    0.016 A

  • Number of Bits:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    20 mA

  • Prop. Delay@Nom-Sup:

    40 ns

  • Propagation Delay (tpd):

    40 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-PRF-38535

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    NEGATIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    15 MHz

SNJ5472J Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good layout practices, such as keeping the input and output traces short, using a solid ground plane, and minimizing noise coupling. Additionally, consider using a 4-layer PCB with a dedicated power plane and a separate ground plane.
  • To ensure stability, follow the recommended compensation network values and layout guidelines. Additionally, ensure that the output capacitor is properly sized and placed close to the output pin. It's also crucial to minimize the loop area and keep the feedback traces short to prevent oscillations.
  • The SNJ5472J can deliver up to 2A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. Be sure to check the thermal derating curves and ensure proper heat sinking to prevent overheating.
  • The SNJ5472J has built-in overvoltage protection (OVP) and undervoltage lockout (UVLO) features. However, it's still recommended to add external protection circuitry, such as a voltage supervisor or a crowbar circuit, to ensure the device is protected from voltage transients and faults.
  • The recommended input capacitor value is 10uF to 22uF, with a low ESR (Equivalent Series Resistance) and a voltage rating that matches the input voltage. A ceramic or film capacitor is recommended due to their low ESR and high reliability.

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SNJ5472J 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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