Manufacturer Part Number
MCP23017T-E/ML
Manufacturer
Microchip Technology
Introduction
16-bit I/O Expander with Serial Interface
Product Features and Performance
16 programmable I/O pins
Serial I2C interface
Interrupt output capability
Power-on Reset (POR)
Push-pull outputs
Up to 25mA source/sink current per I/O
7 MHz clock frequency
Wide operating voltage range from 1.8V to 5.5V
High operating temperature range from -40°C to 125°C
Product Advantages
Enables GPIO expansion for microcontrollers
Reduces microcontroller pin count requirements
Supports multiple devices on the same bus
Integrated POR feature minimizes the need for external reset circuitry
High source/sink current suitable for driving LEDs
Key Technical Parameters
Number of I/O: 16
Interface: I2C
Interrupt Output: Yes
Output Type: Push-Pull
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
Advanced protective features
Extended temperature range for harsh environments
Compatibility
Compatible with various microcontrollers supporting I2C
Fits with 28-VQFN Exposed Pad footprint
Lead (Pb) free device
Application Areas
Embedded Systems
Industrial Automation
Consumer Electronics
Automotive
Product Lifecycle
Active product phase
Not near discontinuation
Availability of replacements or upgrades
Key Reasons to Choose This Product
Expands I/O capabilities without needing larger MCUs
Eases PCB design with reduced wiring complexity
Supports multiple devices through I2C addressing
Facilitates design scalability with stackable ICs
Robust performance in a wide range of temperatures and supply voltages
MCP23018-E/SSMicrochip TechnologyIC XPNDR 3.4MHZ I2C 24SSOP