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PCF8574AT/3,518 - NXP

Description: NXP - PCF8574AT/3,518 - I/O EXPANDER, 8BIT, 400KHZ, SOIC-16

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PCB Footprints
PCF8574AT/3,518 - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SO16: plastic small outline package; 16 leads; body width 7.5 mm
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3D Models
PCF8574AT/3,518 - NXP  - 3D model - Small Outline Packages - SO16: plastic small outline package; 16 leads; body width 7.5 mm
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for PCF8574AT/3,518
  • Part Number PCF8574AT/3,518
  • Manufacturer NXP
  • Pin Count 16
  • Part Category Integrated Circuit
  • Package Category Small Outline Packages
  • Footprint Name Small Outline Packages - SO16: plastic small outline package; 16 leads; body width 7.5 mm
  • Released Date Aug 25, 2019
  • Last Modified Date Mar 7, 2023 4:10 PM UTC
  • Pinout / Pin List Click Here (Member Only)

PCF8574AT/3,518 Details

  • Manufacturer Part Number:

    PCF8574AT/3,518

  • Brand Name:

    NXP Semiconductor

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOP

  • Package Description:

    SO-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    SOT162-1

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Clock Frequency-Max:

    0.1 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    100 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):

    30

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574AT/3,518 Frequently Asked Questions (FAQs)

  • The PCF8574AT can support I2C bus frequencies up to 400 kHz.
  • The PCF8574AT can be reset by pulling the SCL line low for at least 2 clock cycles.
  • The PCF8574AT can sink or source up to 25 mA per I/O pin.
  • Yes, the PCF8574AT is 5V tolerant, but it is recommended to use a voltage regulator to ensure a stable 3.3V supply.
  • The PCF8574AT can be configured as an input or output by writing to the corresponding register. A '1' in the register sets the pin as an input, while a '0' sets it as an output.

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PCF8574AT/3,518 Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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