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SNJ54LS279AJ - Texas Instruments

Description: Latches Quadruple /S-/R Latches 16-CDIP -55 to 125

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SNJ54LS279AJ - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J (R-GDIP-T16)*88
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SNJ54LS279AJ - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J (R-GDIP-T16)*88
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SNJ54LS279AJ Details

  • Manufacturer Part Number:

    SNJ54LS279AJ

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH DUAL S INPUT FOR TWO FUNCTIONS

  • Family:

    LS

  • JESD-30 Code:

    R-GDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    R-S LATCH

  • Max I(ol):

    0.004 A

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • 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:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    7 mA

  • Prop. Delay@Nom-Sup:

    22 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Screening Level:

    MIL-PRF-38535

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 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:

    LOW LEVEL

  • Width:

    7.62 mm

SNJ54LS279AJ Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the SNJ54LS279AJ is 25 MHz, but it's recommended to operate it at 10 MHz or lower for reliable operation.
  • The OE pin should be connected to GND or VCC, depending on the desired output state. Leaving it floating can cause unpredictable behavior. It's recommended to tie OE to GND for normal operation.
  • A simple POR circuit can be implemented using a 10 kΩ resistor, a 10 μF capacitor, and a diode. This ensures a clean power-up sequence and prevents latch-up conditions.
  • Although the SNJ54LS279AJ is a 5V device, it can be used in a 3.3V system with some limitations. The output voltage will be lower, and the device may not meet its specified timing parameters. It's recommended to use a level shifter or a voltage translator for reliable operation.
  • To ensure data integrity, it's recommended to use a power-down sequence that slowly ramps down the voltage, and a power-up sequence that slowly ramps up the voltage. This helps prevent data corruption and latch-up conditions.

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SNJ54LS279AJ 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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For a full list of alternate parts for SNJ54LS279AJ, check out Findchips.com