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MC74HC138AN - onsemi

Description: Demultiplexer/Decoder, 3 To 8 Line, 16 Pin, Plastic, DIP

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MC74HC138AN - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP-16
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MC74HC138AN - onsemi  - 3D model - Dual-In-Line Packages - PDIP-16
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MC74HC138AN Details

  • Manufacturer Part Number:

    MC74HC138AN

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Family:

    HC/UH

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.175 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.004 A

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    3-STATE

  • 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:

    RAIL

  • Peak Reflow Temperature (Cel):

    235

  • Power Supply Current-Max (ICC):

    50 mA

  • Prop. Delay@Nom-Sup:

    41 ns

  • Propagation Delay (tpd):

    205 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.44 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.62 mm

MC74HC138AN Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the MC74HC138AN is typically around 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper decoding of the chip select lines, make sure to connect the address lines (A0-A2) to a stable voltage source, and use a pull-up or pull-down resistor on the chip select lines (E1-E3) to prevent floating inputs.
  • The recommended power-on reset sequence for the MC74HC138AN is to apply power to the VCC pin first, followed by the input signals. This ensures that the internal logic is properly initialized and prevents any potential latch-up conditions.
  • Yes, the MC74HC138AN can be used as a level translator, but it's not recommended as it's not designed for that purpose. The chip is intended for decoding and demultiplexing applications, and using it as a level translator may compromise its performance and reliability.
  • The maximum current that can be sourced or sunk by the output pins of the MC74HC138AN is typically around 25 mA, but it's recommended to check the datasheet for the specific current ratings and to ensure that the output pins are not overloaded.

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