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TLC5940NT - Texas Instruments

Description: Texas Instruments TLC5940NT, LED Display Driver 16-Segments, 3 → 5.5 V, 28-Pin PDIP

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TLC5940NT - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - TLC5940NT
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TLC5940NT Details

  • Manufacturer Part Number:

    TLC5940NT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    GREEN, PLASTIC, DIP-28

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Display Mode:

    DOT MATRIX

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDIP-T28

  • JESD-609 Code:

    e4

  • Length:

    35.69 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    16

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    60 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

  • fmax-Min:

    30 MHz

TLC5940NT Frequently Asked Questions (FAQs)

  • The maximum frequency of the clock input is 30 MHz. However, it's recommended to use a clock frequency between 10 kHz to 10 MHz for optimal performance.
  • The OUTx pins should be terminated with a 100-ohm resistor to VCC or GND, depending on the desired output state. This helps to reduce electromagnetic interference (EMI) and ensures proper signal integrity.
  • The GSCLK pin is the grayscale clock input, which is used to update the grayscale data in the TLC5940NT. It should be connected to a clock source with a frequency between 10 kHz to 10 MHz.
  • The TLC5940NT can be configured for 12-bit or 16-bit grayscale mode by setting the GSDAT pin high or low, respectively, during the grayscale data loading process.
  • The maximum current rating for the OUTx pins is 120 mA per pin. However, it's recommended to limit the current to 60 mA per pin to ensure reliable operation and prevent overheating.

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TLC5940NT 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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