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SN74LS279AN - Texas Instruments

Description: Quad S-R latch,SN74LS279AN DIP16 25pcs

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SN74LS279AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74LS279AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74LS279AN Details

  • Manufacturer Part Number:

    SN74LS279AN

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, 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-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    R-S LATCH

  • Max I(ol):

    0.008 A

  • 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:

    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:

    30 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    LOW LEVEL

  • Width:

    7.62 mm

SN74LS279AN Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS279AN 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, add a 0.1uF decoupling capacitor between VCC and GND, and use a 10uF capacitor between VCC and GND for additional filtering.
  • The SN74LS279AN can sink up to 16mA and source up to 12mA per output, but it's recommended to limit the current to 8mA per output to ensure reliable operation.
  • The asynchronous reset input (MR) should be tied to VCC through a 1kΩ resistor and a 0.01uF capacitor to ensure proper reset operation.
  • The propagation delay of the SN74LS279AN is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.

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SN74LS279AN 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 SN74LS279ANE4 Texas Instruments

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

Part Image DM74LS279N Rochester Electronics LLC

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

Part Image 74LS279PC Fairchild Semiconductor Corporation

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

Part Image DM74LS279N Fairchild Semiconductor Corporation

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

Part Image DM74LS279N Texas Instruments

R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16

For a full list of alternate parts for SN74LS279AN, check out Findchips.com