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PCF8574PWRG4 - Texas Instruments

Description: Interface - I/O Expanders Remote 8-Bit I/O Expander

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PCF8574PWRG4 - Texas Instruments - PCB symbol
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PCB Footprints
PCF8574PWRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G20)
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3D Models
PCF8574PWRG4 - Texas Instruments - 3D model - Small Outline Packages - PW (R-PDSO-G20)
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PCF8574PWRG4 Details

  • Manufacturer Part Number:

    PCF8574PWRG4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Clock Frequency-Max:

    0.1 MHz

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574PWRG4 Frequently Asked Questions (FAQs)

  • The maximum current that can be sourced or sunk by each I/O pin is 25mA, according to the datasheet. However, it's recommended to limit the current to 10mA per pin to ensure reliable operation.
  • The PCF8574PWRG4 has a built-in POR and BOR circuitry. To handle these resets, ensure that your system design can tolerate the device's power-on and brown-out reset timing. You may also need to add external circuitry to debounce the reset signal if necessary.
  • The recommended operating voltage range for the PCF8574PWRG4 is 2.5V to 5.5V. Operating the device outside this range may affect its performance and reliability.
  • To configure the PCF8574PWRG4 for I2C communication, you need to connect the SCL and SDA pins to the I2C bus, and ensure that the device is properly addressed using the A0, A1, and A2 pins. You may also need to add external pull-up resistors to the SCL and SDA lines.
  • The maximum frequency for I2C communication with the PCF8574PWRG4 is 400 kHz. However, you may need to reduce the frequency depending on the capacitance of the I2C bus and the distance between devices.

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PCF8574PWRG4 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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