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SN74LS145DG4 - Texas Instruments

Description: Encoders, Decoders, Multiplexers & Demultiplexers BCD To Decimal Decod ers Drivers

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SN74LS145DG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS145DG4 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS145DG4 Details

  • Manufacturer Part Number:

    SN74LS145DG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ION MAX=80MA @ VOL MAX=3V

  • Family:

    LS

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    DECIMAL DECODER/DRIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    10

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • 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):

    13 mA

  • Prop. Delay@Nom-Sup:

    50 ns

  • Propagation Delay (tpd):

    50 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):

    NOT SPECIFIED

  • Width:

    3.9 mm

SN74LS145DG4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS145DG4 is 30 MHz, but it can vary depending on the specific application and operating conditions.
  • The output enable (OE) pin should be connected to a logic low (GND) to enable the outputs, and to a logic high (VCC) to disable the outputs. Leaving the OE pin floating can cause unpredictable behavior.
  • The recommended power-on sequence is to apply VCC before applying any input signals. This ensures that the device is properly initialized and minimizes the risk of latch-up or other unexpected behavior.
  • The SN74LS145DG4 is a 5V device, but it can be used in a 3.3V system with some limitations. The device will still function, but the output voltage levels may not be compatible with 3.3V logic, and the noise margin may be reduced.
  • Proper decoupling is essential to ensure reliable operation of the SN74LS145DG4. A 0.1uF ceramic capacitor should be placed as close as possible to the VCC pin, and a 10uF electrolytic capacitor should be placed in parallel to filter out any low-frequency noise.

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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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