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SN74LS51N - Texas Instruments

Description: 2-Wide 2-Input and 2-Wide 3-Input AND-OR-Invert Gates

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SN74LS51N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T14)
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SN74LS51N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T14)
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SN74LS51N Details

  • Manufacturer Part Number:

    SN74LS51N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ASYMMETRICAL I/PS

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    AND-OR-INVERT GATE

  • Max I(ol):

    0.016 A

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    2.8 mA

  • Prop. Delay@Nom-Sup:

    20 ns

  • Propagation Delay (tpd):

    20 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

  • Width:

    7.62 mm

SN74LS51N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS51N 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 maximum input voltage that the SN74LS51N can tolerate is 5.5V, but it's recommended to keep the input voltage within the recommended operating range of 4.75V to 5.25V.
  • The propagation delay of the SN74LS51N is typically around 10-15ns, but it can vary depending on the specific application and operating conditions. To handle the propagation delay, ensure that the clock frequency is within the recommended range and consider using a clock buffer or delay line if necessary.
  • No, the SN74LS51N is not designed to operate at 3.3V. It's recommended to use a level translator or a voltage regulator to step down the voltage to 5V if you need to use the SN74LS51N in a 3.3V system.

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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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