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PCA9505DGG - NXP

Description: 40-bit I2C-bus I/O port with RESET, OE and INT

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PCA9505DGG - NXP - PCB symbol
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PCA9505DGG - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SOT364-1
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PCA9505DGG - NXP - 3D model - Small Outline Packages - SOT364-1
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PCA9505DGG Details

  • Manufacturer Part Number:

    PCA9505DGG

  • Source Url Status Check Date:

    2013-06-14 00:00:00

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    56

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    6.9

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G56

  • JESD-609 Code:

    e4

  • Length:

    14 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    40

  • Number of I/O Lines:

    40

  • Number of Ports:

    2

  • Number of Terminals:

    56

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    500 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    6.1 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCA9505DGG Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for PCA9505DGG is 400 kHz, as specified in the datasheet. However, it's recommended to operate at a lower frequency to ensure reliable operation and to minimize power consumption.
  • To handle bus contention on the I2C bus when using PCA9505DGG, you can use the built-in arbitration mechanism of the I2C protocol. The PCA9505DGG has a built-in arbitration circuit that allows it to detect and resolve bus contention. Additionally, you can also use external circuitry, such as a bus buffer or a multiplexer, to isolate the devices on the bus and prevent contention.
  • Yes, PCA9505DGG can be used as a level translator between 3.3V and 1.8V logic levels. The device has a wide operating voltage range of 1.8V to 5.5V, making it suitable for level translation applications. However, you need to ensure that the input and output voltage levels are within the specified range for the device to operate correctly.
  • To ensure reliable operation of PCA9505DGG in noisy environments, you can take several precautions. First, use a decoupling capacitor between the VCC and GND pins to filter out noise. Second, use a pull-up resistor on the SCL and SDA lines to improve signal integrity. Third, use a shielded cable or a twisted pair cable to connect the devices on the I2C bus. Finally, consider using a noise filter or a common-mode choke to filter out electromagnetic interference (EMI).
  • Yes, PCA9505DGG can be used as a repeater to extend the length of the I2C bus. The device has a built-in repeater function that allows it to amplify and re-transmit the I2C signals, enabling longer bus lengths. However, you need to ensure that the total capacitance of the bus does not exceed the maximum allowed value, and that the bus is properly terminated to prevent signal reflections.

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PCA9505DGG 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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