Manufacturer Part Number
MCP23008-E/P
Manufacturer
Microchip Technology
Introduction
The MCP23008-E/P is a highly integrated I/O expander designed for I2C bus applications.
Product Features and Performance
8-bit remote I/O expander
I2C Serial Interface
Interrupt Output feature for input change notification
Reset feature (POR - Power-On Reset)
Push-Pull Output Type
Maximum Source/Sink Current per I/O: 25mA
Clock Frequency support up to 1.7 MHz for I2C communication
Versatile operating voltage range from 1.8V to 5.5V
Product Advantages
Increases I/O options via I2C interface
Low stand-by current
Compatible with most microcontrollers
Suitable for high-temperature environments up to 125°C
Built-in Power-On reset minimizes system complexity
Interrupt output enhances real-time performance
Key Technical Parameters
Number of I/O: 8
Interface: I2C
Interrupt Output: Yes
Current - Output Source/Sink: 25mA
Clock Frequency: 1.7 MHz
Voltage - Supply: 1.8V ~ 5.5V
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Built to meet high Microchip quality standards
Durable in wide range of temperatures and supply voltages
Compatibility
Compatible with a wide range of microcontrollers and processors that support the I2C protocol
Application Areas
Automation and Process Control
Consumer Electronics
Automotive Industry
Telecommunication Systems
Industrial Applications
Product Lifecycle
Active product status
Not nearing discontinuation and replacements or upgrades currently available
Several Key Reasons to Choose This Product
Provides additional I/O ports with simple I2C interfacing
Facilitates easy integration with existing systems
Supports interrupt-driven I/O expansion for real-time tasks
Reduces the need for more complex microcontrollers with more pins
Low power consumption suitable for battery-operated applications
Wide voltage and temperature range expand usage in diverse environments