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Microchip Technology MCP23009EMG I/O Expander
The MCP23009 is an 8-bit I/O expander with configurable interrupt sources, open-drain outputs, and a high-speed I2C interface. It features bidirectional GPIO ports, internal pull-up resistors, and interrupt-on-change capabilities, making it ideal for improving I/O expansion in embedded systems. The device supports multiple packages, including 16-lead QFN, PDIP, SOIC, and SSOP, with comprehensive control and configuration registers for direction, polarity, interrupt handling, and pull-up resistors. Its low standby current and voltage tolerances ensure reliable operation across a broad temperature range.
Microchip Technology MCP23009EMG I/O Expander Specifications:
- I/O Ports: 8 bidirectional GPIO with open-drain outputs
- Interrupt Sources: Configurable for change detection or default comparison
- Voltage Range: 1.8V to 5.5V
- Current Capability: 25 mA sink per pin, 200 mA total
- Operating Temperature: -40°C to +125°C
- Package Options: 16-lead QFN (3x3 mm), PDIP (300 mil), SOIC (7.50 mm), SSOP (5.30 mm)
- Interface: High-speed I2C™ up to 400 kHz, SPI up to 10 MHz
- Internal Pull-ups: Individually configurable on each port
- Reset Features: External reset input; Power-On Reset circuit
- Configuration Registers: IODIR, IPOL, GPPU, GPINTEN, DEFVAL, INTCON, IOCON, INTF, INTCAP, GPIO, OLAT
Buy the Buy Microchip MCP23009 Part Number MCP23009EMG Online
Order the Microchip MCP23009 online today for seamless 8-bit I/O expansion in your embedded projects. This device offers configurable interrupt-on-change, open-drain outputs, and high-speed I2C or SPI interfaces, ensuring versatile connectivity. Whether you're developing industrial controls, automation systems, or sensor interfaces, this reliable expander provides low standby power and broad temperature operation. Available in various compact packages, it simplifies your design while delivering robust performance and easy integration with internal pull-ups, reset features, and customizable registers to suit your specific application needs.
Get Microchip MCP23009 today—designed for reliable I/O expansion with configurable interrupts and low power consumption.
Frequently Asked Questions
Where can I buy Microchip Technology MCP23009EMG?
You can click on the BUY or RFQ button to purchase MCP23009EMG from an authorized Microchip Technology distributor.
How do I troubleshoot issues or seek technical support for part MCP23009EMG?
You can download the MCP23009EMG datasheet or visit the Microchip Technology website for support.
Who is the manufacturer of MCP23009EMG?
Microchip Technology