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TLC555QDR - Texas Instruments

Description: 2.1-MHz, 250-µA, Low-Power Timer

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TLC555QDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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TLC555QDR - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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TLC555QDR Details

  • Manufacturer Part Number:

    TLC555QDR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia, Mexico, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    IT CAN ALSO OPERATE AT 15 V NOMINAL SUPPLY

  • Analog IC - Other Type:

    PULSE; RECTANGULAR

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Frequency-Max:

    1.2 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    0.7 mA

  • Supply Voltage-Max (Vsup):

    15 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

TLC555QDR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of TLC555QDR is 2.1 MHz, but it can be limited by the external components and the application.
  • The choice of resistor and capacitor values depends on the desired frequency and duty cycle of the output signal. A good starting point is to use the formulas provided in the datasheet, and then adjust the values based on the specific application requirements.
  • The control voltage pin (pin 5) is used to adjust the threshold voltage of the internal comparator, which in turn affects the output frequency and duty cycle. It can be used to modulate the output frequency or to synchronize the oscillator with an external signal.
  • No, the TLC555QDR is a timer IC and not a voltage regulator. It is not designed to regulate voltage and should not be used as a substitute for a voltage regulator.
  • To ensure reliable startup, make sure to provide a stable power supply, use a bypass capacitor on the power supply pin, and ensure that the timing capacitor is fully discharged before startup.

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TLC555QDR 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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