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SN74HCS138DR - Texas Instruments

Description: SN74HCS138 3 to 8 Line Decoder Demultiplexer with Schmitt Trigger Inputs

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SN74HCS138DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74HCS138DR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74HCS138DR Details

  • Manufacturer Part Number:

    SN74HCS138DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-09-12

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HC/UH

  • Input Conditioning:

    SCHMITT TRIGGER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.0078 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.002 mA

  • Prop. Delay@Nom-Sup:

    19 ns

  • Propagation Delay (tpd):

    53 ns

  • Schmitt Trigger:

    YES

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SN74HCS138DR Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74HCS138DR is 40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a 2.0-V to 6.0-V power supply, and GND to a reliable ground connection. Also, decouple the power supply with a 0.1-μF capacitor to reduce noise and ensure stable operation.
  • The SN74HCS138DR can sink up to 6 mA and source up to 2 mA per output pin, but it's recommended to limit the current to 4 mA per output pin to ensure reliable operation.
  • The enable inputs (E1, E2, and E3) are active-low, meaning they must be pulled low to enable the device. Connect them to a logic low (GND) or a logic output that can drive them low to enable the device.
  • The propagation delay of the SN74HCS138DR is typically around 10 ns to 15 ns, but it can vary depending on the specific application, operating conditions, and output load.

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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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