Overview
The MCP23017-E/SO is a 16-bit I/O expander integrated circuit produced by Microchip Technology. This device is designed to provide additional I/O ports for microcontrollers via an I2C (Inter-Integrated Circuit) interface. It is particularly useful in applications where the microcontroller's I/O capacity is limited. The MCP23017-E/SO is packaged in a 28-pin SOIC (Small Outline Integrated Circuit) and is RoHS compliant, making it suitable for a wide range of electronic systems.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Part Number | MCP23017-E/SO |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Number of I/O | 16 |
| Interface | I2C |
| Interrupt Output | Yes |
| Features | POR (Power-On Reset) |
| Output Type | Push-Pull |
| Current - Output Source/Sink | 25mA |
| Clock Frequency | 1.7MHz |
| Voltage - Supply | 1.8 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Key Features
- 16-bit I/O expansion with I2C interface, allowing for communication with microcontrollers.
- Supports clock frequencies up to 1.7 MHz.
- Includes Power-On Reset (POR) feature for reliable startup.
- Push-Pull output type with a current sink/source capability of 25mA.
- Operates over a wide voltage range from 1.8V to 5.5V.
- RoHS compliant and Pb-free, making it environmentally friendly.
- Interrupt output capability for efficient event handling.
Applications
The MCP23017-E/SO is versatile and can be used in various applications where additional I/O ports are required. Some common uses include:
- Embedded systems where microcontroller I/O capacity is limited.
- Industrial control systems needing expanded I/O capabilities.
- Automotive systems requiring robust and reliable I/O expansion.
- Consumer electronics such as home appliances and gaming consoles.
- Medical devices that require precise and reliable I/O control.
Q & A
- What is the primary function of the MCP23017-E/SO?
The primary function of the MCP23017-E/SO is to provide 16-bit I/O expansion via an I2C interface for microcontrollers. - What is the maximum clock frequency supported by the MCP23017-E/SO?
The MCP23017-E/SO supports clock frequencies up to 1.7 MHz. - What is the voltage range for the MCP23017-E/SO?
The MCP23017-E/SO operates over a voltage range from 1.8V to 5.5V. - Does the MCP23017-E/SO have an interrupt output feature?
Yes, the MCP23017-E/SO includes an interrupt output feature. - What is the package type of the MCP23017-E/SO?
The MCP23017-E/SO is packaged in a 28-pin SOIC (Small Outline Integrated Circuit). - Is the MCP23017-E/SO RoHS compliant?
Yes, the MCP23017-E/SO is RoHS compliant and Pb-free. - What is the operating temperature range of the MCP23017-E/SO?
The operating temperature range of the MCP23017-E/SO is -40°C to 125°C. - What type of output does the MCP23017-E/SO have?
The MCP23017-E/SO has push-pull outputs. - What is the current sink/source capability of the MCP23017-E/SO?
The current sink/source capability of the MCP23017-E/SO is 25mA. - Does the MCP23017-E/SO have a Power-On Reset (POR) feature?
Yes, the MCP23017-E/SO includes a Power-On Reset (POR) feature.
