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MCP23009-E/P - Microchip

Description: Microchip MCP23009-E/P I/O Expander, 18-Pin PDIP

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MCP23009-E/P - Microchip - PCB symbol
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MCP23009-E/P - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 18-Lead Plastic Dual In-Line (P) - 300 mil Body [PDIP]
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MCP23009-E/P - Microchip - 3D model - Dual-In-Line Packages - 18-Lead Plastic Dual In-Line (P) - 300 mil Body [PDIP]
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MCP23009-E/P Details

  • Manufacturer Part Number:

    MCP23009-E/P

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-18

  • Pin Count:

    18

  • Manufacturer Package Code:

    PDIP-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-XDIP-T18

  • JESD-609 Code:

    e3

  • Length:

    22.86 mm

  • 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:

    UNSPECIFIED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP18,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.334 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:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • 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

MCP23009-E/P Frequently Asked Questions (FAQs)

  • The maximum frequency of the I2C clock is 1.7 MHz, but it can be operated at higher frequencies with some limitations. For example, at 3.4 MHz, the device can only be used in Standard Mode, and at 400 kHz, it can be used in Fast Mode.
  • Each MCP23009 device has a unique address that can be set using the A0, A1, and A2 pins. By setting these pins to different values, you can connect multiple devices to the same I2C bus and address them individually.
  • The RESET pin is an active-low input that resets the device when pulled low. It can be used to initialize the device to its default state or to recover from a fault condition.
  • Yes, you can use the MCP23009 with a microcontroller that doesn't have I2C by using a bit-banging approach, where the microcontroller generates the I2C clock and data signals using its GPIO pins. However, this approach may require more software overhead and may not be as efficient as using a dedicated I2C interface.
  • The MCP23009 has an interrupt output pin (INT) that can be connected to a microcontroller's interrupt input. When an interrupt occurs, the microcontroller can read the interrupt status register to determine the cause of the interrupt and take appropriate action.

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MCP23009-E/P Overview

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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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