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SN74LS125AN - Texas Instruments

Description: Quadruple Bus Buffers With 3-State Outputs

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SN74LS125AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N(R-PDIP-T)
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SN74LS125AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N(R-PDIP-T)
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SN74LS125AN Details

  • Manufacturer Part Number:

    SN74LS125AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.024 A

  • Number of Bits:

    1

  • Number of Functions:

    4

  • Number of Ports:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • 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):

    22 mA

  • Prop. Delay@Nom-Sup:

    18 ns

  • Propagation Delay (tpd):

    18 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-PRF-38535

  • 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

SN74LS125AN Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74LS125AN is typically around 30-40 MHz, but this can vary depending on the specific application and operating conditions.
  • To ensure proper operation, the SN74LS125AN should be powered with a stable 5V supply, and decoupling capacitors (e.g. 0.1uF) should be placed as close as possible to the device to filter out noise and reduce electromagnetic interference (EMI).
  • The input voltage threshold for the SN74LS125AN is typically around 2.0V for a logic high and 0.8V for a logic low, but this can vary depending on the specific application and operating conditions.
  • While the SN74LS125AN is specified for 5V operation, it can be used in a 3.3V system with some limitations. However, the output voltage levels may not be compatible with 3.3V logic, and the device may not meet the required timing specifications.
  • To avoid bus contention, ensure that only one device is driving the bus at a time, and use bus-hold circuits or resistors to prevent backdrive currents. Additionally, consider using a bus arbiter or multiplexer to manage access to the bus.

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SN74LS125AN 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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For a full list of alternate parts for SN74LS125AN, check out Findchips.com