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PCF8574TS - NXP

Description: NXP Semiconductors Remote 8-bit I/O expander for I2C bus with interrupt

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PCF8574TS - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SOT266-1
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PCF8574TS - NXP  - 3D model - Small Outline Packages - SOT266-1
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PCF8574TS Details

  • Manufacturer Part Number:

    PCF8574TS

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SSOP

  • Package Description:

    4.40 MM, PLASTIC, MO-152, SOT-266-1, SSOP-20

  • Pin Count:

    20

  • 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-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:

    LSSOP

  • Package Equivalence Code:

    SSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.5 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

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574TS Frequently Asked Questions (FAQs)

  • The PCF8574TS can handle I2C bus frequencies up to 400 kHz, but it's recommended to use a maximum frequency of 100 kHz for reliable operation.
  • No, the PCF8574TS is not designed to be used as a level shifter. It's intended to be used as an I2C-bus extender or repeater, and it's not suitable for voltage translation.
  • The PCF8574TS has a built-in power-on reset (POR) circuit that resets the device when the power supply voltage is below a certain threshold. To handle POR, ensure that the power supply voltage is stable and within the recommended range before initializing the device.
  • Yes, the PCF8574TS can be used to extend the I2C bus distance beyond 1 meter, but it's recommended to use a repeater or buffer every 1-2 meters to maintain signal integrity and prevent signal degradation.
  • To troubleshoot I2C bus communication issues, use a logic analyzer or oscilloscope to monitor the I2C bus signals, check the device address and configuration, and ensure that the I2C bus is properly terminated.

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PCF8574TS 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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