Manufacturer Part Number
MCP23017-E/SP
Manufacturer
Microchip Technology
Introduction
The MCP23017-E/SP is an I2C interfaced 16-bit I/O expander from Microchip Technology with interrupt output capability.
Product Features and Performance
16-bit input/output port expander
I2C Serial Interface
Interrupt Output feature for input change notification
Programmable pull-up resistors
Configurable polarity inversion
Power-on Reset (POR)
High-speed I2C interface (1.7 MHz)
Product Advantages
Expands I/O lines without additional microcontroller pins
Reduces PCB size and complexity by minimizing need for external components
Smooth integration with most microcontroller families
Key Technical Parameters
Number of I/O: 16
Interface: I2C
Current - Output Source/Sink: 25mA
Clock Frequency: 1.7 MHz
Voltage - Supply: 1.8V to 5.5V
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Robust operating temperature range suitable for industrial applications
Static Protected
Compatibility
Works with any microcontroller with I2C support
Application Areas
Automotive systems
Industrial controls
Consumer electronics
Embedded systems
PLC systems
Product Lifecycle
Active
Not close to discontinuation
Availability of replacements or upgrades is generally provided
Several Key Reasons to Choose This Product
Increases available I/O count on a system with limited microcontroller pins
Supports multiple device address options for use on the same I2C bus
Builds robust and reliable industrial and automotive systems
Enables design scalability and future-proofing with I2C interface
Through-hole mounting allows for easier prototyping and soldering