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MCP23009-E/SO - Microchip

Description: 8-bit Input/Output Expander, I2C

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MCP23009-E/SO - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 18 lead small outline package-
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MCP23009-E/SO Details

  • Manufacturer Part Number:

    MCP23009-E/SO

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-18

  • Pin Count:

    18

  • Manufacturer Package Code:

    SOIC-18

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Clock Frequency-Max:

    10 MHz

  • JESD-30 Code:

    R-PDSO-G18

  • JESD-609 Code:

    e3

  • Length:

    11.55 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    8

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP18,.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:

    1 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.8 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

MCP23009-E/SO Frequently Asked Questions (FAQs)

  • The maximum frequency of the I2C clock is 400 kHz, as specified in the datasheet. However, it's recommended to operate at a lower frequency, such as 100 kHz, to ensure reliable communication.
  • To use multiple MCP23009 devices on the same I2C bus, you need to assign a unique address to each device using the A0, A1, and A2 pins. This allows you to differentiate between devices and address them individually.
  • The RESET pin is used to reset the MCP23009 device to its default state. When the RESET pin is pulled low, the device resets, and all registers are set to their default values. This pin can be useful for initializing the device or recovering from an error state.
  • The interrupt pins (INTA and INTB) can be configured to trigger on specific events, such as input pin changes or output pin changes. You need to configure the interrupt control registers (INTCON and INTPOL) to enable and configure the interrupt pins according to your application's requirements.
  • The maximum current rating for the output pins is 25 mA per pin. However, the total current drawn from the device should not exceed 150 mA to ensure reliable operation and prevent overheating.

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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