Manufacturer Part Number
MCP23S08T-E/ML
Manufacturer
Microchip Technology
Introduction
The MCP23S08T-E/ML is an SPI interface I/O expander designed for microcontroller applications requiring additional I/Os.
Product Features and Performance
8-bit remote bidirectional I/O port
SPI interface with up to 10 MHz clock frequency
Programmable interrupt output for input change notification
Power-on Reset (POR) feature
Push-Pull output configuration
Enhanced interface with hardware address pins
Product Advantages
Compact 20-VFQFN Exposed Pad packaging conserves space
Broad voltage range compatibility (1.8V to 5.5V) for versatile uses
Can provide up to 25mA of current per I/O
High temperature operational range from -40°C to 125°C
Integrated features minimize external component need
Scalable to different microcontroller platforms via SPI
Key Technical Parameters
Number of I/O: 8
Interface: SPI
Interrupt Output: Yes
Current Output Source/Sink: 25mA
Clock Frequency: 10 MHz
Voltage Supply: 1.8V to 5.5V
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Built-in POR for system reliability
High-temperature operation capability ensures stable performance under thermal stress
Compatibility
SPI protocol allows for easy integration with most microcontrollers
Suitable for broad range of voltage supply requirements
Application Areas
Automotive systems
Industrial automation
Home appliances
Consumer electronics
Embedded systems
Product Lifecycle
Status: Active
Not nearing discontinuation with continued manufacturer support
Replacements or upgrades are available for long-term availability
Several Key Reasons to Choose This Product
Robust design ensures operations across a wide range of environmental conditions
Enhanced versatility through adjustable voltage supply and interfacing capabilities
Expands I/O capability without significant cost or spatial increase
High-speed SPI interface enhances communication and system response
Streamlined integration with existing designs reduces development time
Microchip Technology's consistent product availability and support ensures long-term deployment