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SN74LS684N - Texas Instruments

Description: Magnitude Comparator 8-Bit0°C ~ 70°C Voltage - Supply 4.85V ~ 5.25V 20-Pin PDIP

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SN74LS684N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T-20)
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SN74LS684N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T-20)
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SN74LS684N Details

  • Manufacturer Part Number:

    SN74LS684N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH A = B & A > B OUTPUTS

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    MAGNITUDE COMPARATOR

  • Max I(ol):

    0.024 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    TOTEM-POLE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    65 mA

  • Prop. Delay@Nom-Sup:

    30 ns

  • Propagation Delay (tpd):

    30 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    YES

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.85 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

  • Width:

    7.62 mm

SN74LS684N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS684N is 20 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
  • To ensure proper power and decoupling, use a high-quality power supply with a low output impedance, and decouple the VCC pin with a 0.1 μF ceramic capacitor to ground. Additionally, use a 10 μF electrolytic capacitor in parallel to filter out any noise or ripple.
  • The recommended termination scheme for the SN74LS684N is to use a 33 Ω resistor in series with each output, and a 47 Ω resistor to ground at the far end of the transmission line. This helps to reduce reflections and improve signal integrity.
  • No, the SN74LS684N is a 5V device and is not compatible with 3.3V systems. Using it in a 3.3V system may result in reduced performance, incorrect operation, or even damage to the device.
  • To handle thermal considerations, ensure good airflow around the device, and use a heat sink if necessary. The maximum junction temperature (TJ) is 150°C, and the maximum storage temperature (Tstg) is -65°C to 150°C.

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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 SNJ54LS684J Texas Instruments

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Part Image SN74LS684JDS Motorola Semiconductor Products

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Part Image SN74LS684JD Motorola Semiconductor Products

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Part Image SN54LS684J Motorola Semiconductor Products

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Part Image SN74LS684NDS Motorola Semiconductor Products

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For a full list of alternate parts for SN74LS684N, check out Findchips.com