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PCF8574T/3,518 - NXP

Description: NXP - PCF8574T/3,518 - IC, I/O EXPANDER, 8BIT, SOIC16

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PCB Footprints
PCF8574T/3,518 - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SOT162-1
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3D Models
PCF8574T/3,518 - NXP  - 3D model - Small Outline Packages - SOT162-1
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PCF8574T/3,518 Details

  • Manufacturer Part Number:

    PCF8574T/3,518

  • Brand Name:

    NXP Semiconductor

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOP

  • Package Description:

    7.50 MM, LEAD FREE, PLASTIC, MS-013, SOT-162-1, 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

  • External Data Bus Width:

    1

  • 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:

    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):

    30

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574T/3,518 Frequently Asked Questions (FAQs)

  • The PCF8574T/3,518 can support I2C bus frequencies up to 400 kHz.
  • The reset pin (RST) is an active-low input that resets the device when pulled low. It's recommended to tie the RST pin to VCC through a 1 kΩ resistor to ensure proper operation.
  • The PCF8574T/3,518 can sink or source up to 25 mA of current on its I/O pins.
  • The PCF8574T/3,518 has a register-based configuration. You need to write to the configuration register (address 0x00) to set the I/O pins as input or output. A '1' in the register sets the pin as an input, while a '0' sets it as an output.
  • The internal pull-up resistors on the I/O pins of the PCF8574T/3,518 are used to pull the pins high when they are configured as inputs. This helps to prevent floating inputs and ensures proper operation.

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PCF8574T/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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