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SN74HCS138DYYR - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers 3-line to 8-line decoders/demultiplexer with Schmitt-trigger inputs

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SN74HCS138DYYR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DYY0016A
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SN74HCS138DYYR - Texas Instruments  - 3D model - Small Outline Packages - DYY0016A
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SN74HCS138DYYR Details

  • Manufacturer Part Number:

    SN74HCS138DYYR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HC/UH

  • Input Conditioning:

    SCHMITT TRIGGER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    4.2 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.12,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • 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:

    1.1 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:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2 mm

SN74HCS138DYYR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HCS138DYYR is 40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as using short signal traces, minimizing impedance mismatch, and adding termination resistors as needed. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
  • Yes, the SN74HCS138DYYR can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the device's power consumption will be lower, and the switching speed may be slower compared to a 5V system.
  • The enable inputs (E1, E2, E3) must be connected to a valid logic level (either high or low) to enable or disable the decoder output. If an enable input is left floating, the device may not function correctly.
  • A simple POR circuit can be implemented using a resistor, capacitor, and diode connected to the VCC pin. This ensures that the device powers up in a known state and prevents latch-up or other issues during power-on.

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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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