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TCA9554DWT - Texas Instruments

Description: I2C/SMBus Interface 400kHz 5.5V 16-Pin SOIC T/R

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TCA9554DWT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G16)
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TCA9554DWT - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G16)
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TCA9554DWT Details

  • Manufacturer Part Number:

    TCA9554DWT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2016-11-23

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Address Bus Width:

    8

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    0.034 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.65 V

  • Supply Voltage-Nom:

    1.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

TCA9554DWT Frequently Asked Questions (FAQs)

  • The TCA9554DWT can handle I2C clock frequencies up to 400 kHz, but it is recommended to limit the frequency to 100 kHz for reliable operation.
  • When the input voltage is higher than the VCC voltage, it is recommended to use an external voltage divider or a level shifter to ensure that the input voltage does not exceed the VCC voltage. This is to prevent damage to the device.
  • The maximum current that can be sourced or sunk by the GPIO pins is 25 mA. Exceeding this current may cause damage to the device or affect its reliability.
  • The TCA9554DWT can be reset to its default state by pulling the RESET pin low for at least 1 ms. This will reset all registers to their default values.
  • Yes, the TCA9554DWT can be used as a level translator. It can translate voltage levels between 1.8 V and 5 V, making it suitable for use in mixed-voltage systems.

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TCA9554DWT 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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