Manufacturer Part Number
MCP23S18-E/SP
Manufacturer
Microchip Technology
Introduction
The MCP23S18 is a 16-bit I/O expander with SPI interface, designed for general-purpose input/output (GPIO) expansion.
Product Features and Performance
16-bit I/O expander with SPI interface
Configurable input/output ports
Interrupt-on-change capability
High source/sink current capability (25mA)
Wide supply voltage range (1.8V to 5.5V)
Fast SPI communication (up to 10MHz)
Available in 28-pin SPDIP package
Product Advantages
Flexible I/O configuration
Efficient interrupt handling
High current drive capability
Wide operating voltage range
Fast SPI communication
Key Technical Parameters
Number of I/O: 16
Supply Voltage: 1.8V to 5.5V
SPI Clock Frequency: Up to 10MHz
Output Source/Sink Current: 25mA
Operating Temperature: -40°C to 125°C
Quality and Safety Features
RoHS3 compliant
Tube packaging
Compatibility
Compatible with a wide range of microcontrollers and systems with SPI interface.
Application Areas
General-purpose I/O expansion
Industrial control systems
Home automation
Embedded systems
Product Lifecycle
The MCP23S18 is an active product and is not nearing discontinuation. Replacement or upgrade options are available if needed.
Key Reasons to Choose This Product
Flexible I/O configuration and expansion
High current drive capability
Wide operating voltage range
Fast SPI communication
RoHS3 compliance
Availability in through-hole package