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CD74HCT138E - Texas Instruments

Description: CD74HCT138E, Decoder, Demultiplexer HCT, 1-of-8 Inverting 4.5 → 5.5 V 16-Pin PDIP

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CD74HCT138E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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CD74HCT138E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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CD74HCT138E Details

  • Manufacturer Part Number:

    CD74HCT138E

  • 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:

    HCT

  • 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:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.004 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • 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:

    35 ns

  • Propagation Delay (tpd):

    53 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:

    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

CD74HCT138E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HCT138E is typically 30 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a 5V power source and GND to a common ground. Make sure to decouple the power supply with a 0.1uF capacitor to reduce noise and ensure stable operation.
  • The CD74HCT138E can sink or source up to 6mA of current per output pin, but it's recommended to limit the current to 4mA or less to ensure reliable operation.
  • The enable inputs (E1, E2, E3) must be connected to a valid logic level (either VCC or GND) to ensure proper operation. Leaving them floating can cause unpredictable behavior.
  • The propagation delay of the CD74HCT138E is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.

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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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