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SN74ALS139N - Texas Instruments

Description: Dual 2-Line to 4-Line Decoders/Demultiplexers

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SN74ALS139N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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SN74ALS139N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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SN74ALS139N Details

  • Manufacturer Part Number:

    SN74ALS139N

  • 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

  • Family:

    ALS

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    2-LINE TO 4-LINE DECODER

  • Max I(ol):

    0.008 A

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Polarity:

    INVERTED

  • 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):

    10 mA

  • Prop. Delay@Nom-Sup:

    14 ns

  • Propagation Delay (tpd):

    14 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 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

SN74ALS139N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS139N is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This helps to prevent unwanted output states during power-up and power-down.
  • The recommended termination scheme for the SN74ALS139N is to use a pull-up or pull-down resistor on the output pins, depending on the specific application requirements. The value of the resistor should be chosen to ensure that the output voltage is within the specified range.
  • It is recommended to use a 0.1 μF ceramic capacitor between the VCC pin and GND pin, and a 10 μF electrolytic capacitor between the VCC pin and GND pin. This helps to filter out noise and ensure stable operation.
  • The maximum input voltage that can be applied to the SN74ALS139N is 7V, which is the absolute maximum rating. However, it is recommended to keep the input voltage within the recommended operating range of 4.5V to 5.5V to ensure reliable operation.

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SN74ALS139N 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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