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SNJ54LS273J - Texas Instruments

Description: Flip Flop D-Type Bus Interface Pos-Edge 1-Element 20-Pin CDIP Tube

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SNJ54LS273J - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - J (R-GDIP-T20)
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SNJ54LS273J - Texas Instruments  - 3D model - Dual-In-Line Packages - J (R-GDIP-T20)
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SNJ54LS273J Details

  • Manufacturer Part Number:

    SNJ54LS273J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-GDIP-T20

  • JESD-609 Code:

    e0

  • Length:

    24.195 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    30000000 Hz

  • Max I(ol):

    0.008 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    27 mA

  • Prop. Delay@Nom-Sup:

    27 ns

  • Propagation Delay (tpd):

    27 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:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    35 MHz

SNJ54LS273J Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SNJ54LS273J 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, decouple the power pins with 0.1uF capacitors, and use a 10uF capacitor for bulk decoupling. Also, ensure that the power supply is clean and regulated.
  • The SNJ54LS273J can sink or source up to 24mA of current per output pin, but it's recommended to limit the current to 16mA to ensure reliable operation.
  • The CLR input should be tied to VCC through a 1kΩ resistor and a 0.01uF capacitor to ensure proper reset operation. Also, ensure that the CLR input is not left floating.
  • The recommended operating temperature range for the SNJ54LS273J is 0°C to 70°C, but it can operate up to 125°C with reduced performance and reliability.

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SNJ54LS273J 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 7801001RA Lansdale Semiconductor Inc

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Part Image DM54LS273J/883 Texas Instruments

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Part Image DM54LS273J/883 National Semiconductor Corporation

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For a full list of alternate parts for SNJ54LS273J, check out Findchips.com