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SN74LS279ADR - Texas Instruments

Description: Quad /S-/R latches

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SN74LS279ADR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS279ADR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS279ADR Details

  • Manufacturer Part Number:

    SN74LS279ADR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • 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-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    R-S LATCH

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    7 mA

  • Prop. Delay@Nom-Sup:

    30 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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:

    LOW LEVEL

  • Width:

    3.9 mm

SN74LS279ADR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS279ADR is 35 MHz.
  • To ensure reliable operation in high-temperature environments, ensure that the device is operated within the recommended operating temperature range of 0°C to 70°C, and that the device is properly heat-sinked to prevent overheating.
  • The recommended power-on sequence for the SN74LS279ADR is to apply power to the VCC pin before applying any input signals to the device.
  • Unused inputs on the SN74LS279ADR should be tied to a valid logic level (either VCC or GND) to prevent floating inputs and ensure proper device operation.
  • The maximum current that the SN74LS279ADR can sink or source is 24 mA.

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SN74LS279ADR 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 DM74LS279MX Rochester Electronics LLC

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16

Part Image 74LS279SC Fairchild Semiconductor Corporation

R-S Latch, LS Series, 4-Func, Low Level Triggered, 1-Bit, Inverted Output, TTL, PDSO16

Part Image DM74LS279M Texas Instruments

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16

Part Image DM74LS279MX Fairchild Semiconductor Corporation

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16

Part Image SN74LS279ADRE4 Texas Instruments

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16

For a full list of alternate parts for SN74LS279ADR, check out Findchips.com