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SN74LS348D - Texas Instruments

Description: 8-Line To 3-Line Priority Encoder

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SN74LS348D - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
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SN74LS348D - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
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SN74LS348D Details

  • Manufacturer Part Number:

    SN74LS348D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    8 TO 3 LINE PRIORITY ENCODER

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    ENCODER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    25 mA

  • Prop. Delay@Nom-Sup:

    35 ns

  • Propagation Delay (tpd):

    21 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • 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

SN74LS348D Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS348D is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation of the SN74LS348D in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and keeping the device within its recommended operating temperature range (0°C to 70°C).
  • The SN74LS348D is a 5V device, but it can be used in 3.3V or 2.5V systems with some limitations. However, the output voltage levels may not be compatible with 3.3V or 2.5V logic, and the device's performance may be degraded. It's recommended to use a level translator or voltage regulator to ensure proper operation.
  • The SN74LS348D has a recommended input voltage range of 0.8V to 2.4V for logic 0 and 3.5V to 5.5V for logic 1. It's essential to ensure that the input voltage levels are within this range to prevent damage to the device or incorrect operation.
  • The power consumption of the SN74LS348D depends on the operating frequency, input voltage, and output load. Typically, the quiescent current is around 10-20 mA, and the dynamic current is around 50-100 mA per gate. However, the actual power consumption may vary depending on the specific application.

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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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