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SN74LS148DG4 - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers 8 Ln to 3 Ln Priority Encoder

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SN74LS148DG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS148DG4 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS148DG4 Details

  • Manufacturer Part Number:

    SN74LS148DG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, MS-012AC, SOIC-16

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT

  • 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

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °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:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    60 mA

  • Propagation Delay (tpd):

    36 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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SN74LS148DG4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS148DG4 is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 85°C).
  • The recommended power-on sequence for the SN74LS148DG4 is to apply power to the VCC pin before applying any input signals, and to ensure that all input signals are stable before applying power to the VCC pin.
  • To handle EMI when using the SN74LS148DG4, it is recommended to follow proper PCB design practices, such as using ground planes, shielding, and decoupling capacitors, and to ensure that the device is operated in a shielded environment.
  • The maximum input voltage that can be applied to the SN74LS148DG4 is 5.5V, and it is recommended to limit the input voltage to 5V or less to ensure reliable operation.

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SN74LS148DG4 Overview

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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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Part Image SN74LS148DR Texas Instruments

Encoder, LS Series, 8-Bit, Inverted Output, TTL, PDSO16

Part Image HD74LS148RP Renesas Electronics Corporation

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Part Image SN74LS148DR2 onsemi

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Part Image SN74LS148D onsemi

Encoder, LS Series, 8-Bit, TTL, PDSO16

Part Image SN74LS148DRG4 Texas Instruments

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For a full list of alternate parts for SN74LS148DG4, check out Findchips.com