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CD74AC139E - Texas Instruments

Description: Dual 2-to-4 Line Decoder/Demultiplexer

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CD74AC139E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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CD74AC139E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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CD74AC139E Details

  • Manufacturer Part Number:

    CD74AC139E

  • 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:

    AC

  • 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

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • 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):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    14.7 ns

  • Propagation Delay (tpd):

    131 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD74AC139E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74AC139E is 100 MHz.
  • Yes, the CD74AC139E is compatible with 5V systems, but it can also operate at lower voltages down to 2V.
  • To ensure proper operation, the CD74AC139E requires a stable power supply with a decoupling capacitor (typically 0.1 μF) connected between VCC and GND, and a bypass capacitor (typically 10 μF) connected between VCC and GND.
  • The CD74AC139E can sink or source up to 24 mA of current per output.
  • The enable inputs (EN1 and EN2) must be connected to a valid logic level (either VCC or GND) to ensure proper operation. Leaving them unconnected or floating can cause unpredictable behavior.

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CD74AC139E 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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