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PCF8574ADWG4 - Texas Instruments

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

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PCF8574ADWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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PCF8574ADWG4 - Texas Instruments  - 3D model - Small Outline Packages - DW0016A
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PCF8574ADWG4 Details

  • Manufacturer Part Number:

    PCF8574ADWG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Address Bus Width:

    8

  • Clock Frequency-Max:

    0.1 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 Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574ADWG4 Frequently Asked Questions (FAQs)

  • The PCF8574ADWG4 can support I2C bus frequencies up to 400 kHz, but it is recommended to operate at 100 kHz or lower for reliable operation.
  • The PCF8574ADWG4 has internal pull-up resistors on the I2C bus, but they are not enabled by default. You need to enable them by setting the PU (Pull-up Enable) bit in the Control Register (CR) to 1.
  • The PCF8574ADWG4's I/O pins can source or sink up to 20 mA of current, but it is recommended to limit the current to 10 mA or less to ensure reliable operation.
  • The PCF8574ADWG4 can be reset by pulling the RESET pin low for at least 1 ms. This will reset the device to its default state and clear all registers.
  • Yes, the PCF8574ADWG4 can be used as a level translator between 5V and 3.3V or 2.5V systems. However, it is recommended to use an external voltage regulator to ensure that the VCC pin is at the correct voltage level.

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PCF8574ADWG4 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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