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PCF8574RGTR - Texas Instruments

Description: Remote 8-Bit I/O Expander for I2C-Bus

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PCB Footprints
PCF8574RGTR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - PCF8574RGTR
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3D Models
PCF8574RGTR - Texas Instruments  - 3D model - Quad Flat No-Lead - PCF8574RGTR
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PCF8574RGTR Details

  • Manufacturer Part Number:

    PCF8574RGTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Address Bus Width:

    8

  • Clock Frequency-Max:

    0.1 MHz

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    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:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max:

    0.1 mA

  • Supply Voltage-Max:

    6 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574RGTR Frequently Asked Questions (FAQs)

  • The PCF8574RGTR can support I2C bus frequencies up to 400 kHz, but it's recommended to operate at 100 kHz for reliable operation.
  • The internal pull-up resistors on the I2C bus are enabled by default. To disable them, connect an external pull-up resistor to the SCL and SDA lines. The recommended value is 2.2 kΩ for 100 kHz operation.
  • The PCF8574RGTR can sink or source up to 25 mA on each I/O pin, but it's recommended to limit the current to 10 mA to ensure reliable operation.
  • The PCF8574RGTR can be reset by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state.
  • Yes, the PCF8574RGTR can be used as a level shifter between 3.3 V and 5 V logic levels. However, it's recommended to use an external voltage regulator to ensure stable operation.

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PCF8574RGTR 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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