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PCF8574NE4 - Texas Instruments

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

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PCF8574NE4 - Texas Instruments - PCB symbol
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PCB Footprints
PCF8574NE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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PCF8574NE4 - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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PCF8574NE4 Details

  • Manufacturer Part Number:

    PCF8574NE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Address Bus Width:

    8

  • Clock Frequency-Max:

    0.1 MHz

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • 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:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 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:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCF8574NE4 Frequently Asked Questions (FAQs)

  • The PCF8574NE4 can support I2C bus frequencies up to 400 kHz, but it is recommended to operate at 100 kHz or lower for reliable operation.
  • Yes, the PCF8574NE4 can be used as a level shifter, but it's not recommended as it's not designed for that purpose. The device is intended for I/O expansion and not for level shifting. Using it as a level shifter may lead to reliability issues.
  • The PCF8574NE4 has a built-in power-on reset (POR) circuit that resets the device when the power supply voltage (VCC) rises above 0.5V. To handle POR, ensure that the I2C bus is not active during power-up, and wait for at least 100 μs after power-up before sending I2C commands.
  • The PCF8574NE4 can source or sink up to 25 mA per I/O pin, but the total current sourced or sunk by all I/O pins should not exceed 100 mA.
  • Yes, the PCF8574NE4 is 5V tolerant, but it's recommended to use a level shifter or voltage divider to ensure that the I2C bus signals are within the recommended voltage range (VCC + 0.5V) to prevent damage to the device.

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PCF8574NE4 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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