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MCP23009-E/P

MCP23009-E/P

Manufacturer No:

MCP23009-E/P

Manufacturer:

Microchip Technology

Description:

IC XPNDR 3.4MHZ I2C 18DIP

Datasheet:

Datasheet

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MCP23009-E/P Specifications

  • Type
    Parameter
  • Supplier Device Package
    18-PDIP
  • Package / Case
    18-DIP (0.300", 7.62mm)
  • Mounting Type
    Through Hole
  • Operating Temperature
    -40°C ~ 125°C
  • Voltage - Supply
    1.8V ~ 5.5V
  • Clock Frequency
    3.4 MHz
  • Current - Output Source/Sink
    25mA
  • Output Type
    Open Drain
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    -
The MCP23009-E/P is an integrated circuit chip that provides an easy way to add additional input/output (I/O) ports to a microcontroller or microprocessor. Here are some advantages and application scenarios of the MCP23009-E/P:Advantages: 1. Increased I/O Ports: The MCP23009-E/P chip offers an additional 8 I/O ports, which can be configured as either inputs or outputs. This allows for the connection of multiple sensors, switches, LEDs, or other devices to a microcontroller without using up its limited I/O pins.2. Simple Interface: The chip communicates with the microcontroller using the I2C protocol, which requires only two wires (SCL and SDA). This simplifies the wiring and reduces the number of pins required on the microcontroller.3. Addressable: Multiple MCP23009-E/P chips can be connected to the same I2C bus, each with a unique address. This enables the expansion of I/O ports even further, providing scalability.4. Interrupt Capability: The MCP23009-E/P chip supports interrupt-on-change functionality, allowing the microcontroller to be notified immediately when an input pin changes state. This is useful for applications that require real-time response to external events.Application Scenarios: 1. Home Automation: The MCP23009-E/P chip can be used to interface various sensors and switches in a home automation system. For example, it can be used to connect multiple motion sensors, door/window sensors, or temperature sensors to a microcontroller, enabling the control and monitoring of various home automation functions.2. Industrial Control: In industrial control systems, the MCP23009-E/P chip can be used to expand the I/O capabilities of a microcontroller. It can be used to connect multiple sensors, actuators, or switches, allowing for the control and monitoring of various industrial processes.3. Robotics: The MCP23009-E/P chip can be used in robotics applications to interface with various sensors and actuators. It can be used to connect multiple sensors such as proximity sensors, encoders, or limit switches, and control multiple actuators such as motors or solenoids.4. IoT Devices: The chip can be used in Internet of Things (IoT) devices to expand the I/O capabilities of a microcontroller. It can be used to connect various sensors and actuators, enabling the device to interact with the physical world and communicate with other devices or the cloud.Overall, the MCP23009-E/P chip provides a simple and efficient way to expand the I/O capabilities of a microcontroller, making it suitable for a wide range of applications that require additional I/O ports.
MCP23009-E/P Relevant information