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SN74LS109AN - Texas Instruments

Description: Texas Instruments SN74LS109AN, Dual, J-K Type Flip Flop, 4.75 → 5.25 V, 16-Pin PDIP

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SN74LS109AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 16 lead pdip+++
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SN74LS109AN - Texas Instruments  - 3D model - Dual-In-Line Packages - 16 lead pdip+++
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SN74LS109AN Details

  • Manufacturer Part Number:

    SN74LS109AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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:

    INVERTED K INPUT

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    J-KBAR FLIP-FLOP

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.008 A

  • Number of Bits:

    2

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    COMPLEMENTARY

  • 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):

    15 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    40 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:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    30 MHz

SN74LS109AN Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS109AN is 2 MHz, but it can vary depending on the specific application and operating conditions.
  • The SN74LS109AN requires a single 5V power supply, and it's essential to ensure that the power supply is clean and stable. A decoupling capacitor of 0.1 μF to 1 μF should be placed close to the VCC pin to filter out noise.
  • The SN74LS109AN can sink or source up to 16 mA of current per output pin, but it's recommended to limit the current to 8 mA or less to ensure reliable operation.
  • The CLR input should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure that the counter is not accidentally reset. When the CLR input is low, the counter is reset to zero.
  • The SN74LS109AN is rated for operation from 0°C to 70°C. While it can tolerate short-term excursions up to 85°C, prolonged exposure to high temperatures can affect its reliability and lifespan.

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SN74LS109AN 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 SN74LS109AN onsemi

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Part Image DM74LS109AN Fairchild Semiconductor Corporation

J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDIP16

Part Image N74LS109AN Signetics

J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDIP16

Part Image N74LS109B Signetics

J-Kbar Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDIP16

Part Image 74LS109APC Fairchild Semiconductor Corporation

J-K Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, TTL, PDIP16

For a full list of alternate parts for SN74LS109AN, check out Findchips.com