Feature Highlights: 1. Dual Communication Interface – Converts 16-bit parallel data to serial data via I²C interface, and vice versa. Ideal for expanding I/O capabilities in compact designs. 2. Integrated Power-On Reset – Built-in POR circuit ensures the device resets to its default state reliably on startup. 3. Programmable Interrupt Outputs – Two configurable interrupt source outputs help simplify event-driven designs. 4. Flexible Input Polarity – Polarity flip register allows GPIO input polarity to be configured as needed. 5. Wide Operating Range – Supports temperatures from -40°C to 85°C and voltages from 1.8V to 5.5V, making it suitable for varied environments. Product Details: This MCP23017 module is designed for easy I/O expansion using I²C communication. It’s built to handle 16-bit parallel-to-serial conversion with reliable performance. The integrated power-on reset ensures stable initialization, while programmable interrupts and configurable input polarity offer design flexibility. With low operating current (1 µA typical) and support for high-speed I²C communication up to 1.7 MHz, it’s a practical choice for IoT applications, motherboards, and embedded systems. The compact form factor saves space without sacrificing functionality. Specifications: - Operating Temperature: -40°C to 85°C - Operating Voltage: 1.8V to 5.5V - I²C Communication Frequency: Up to 1.7 MHz - Typical Operating Current: 1 µA - Device Type: I/O Expander Module - Color: Black - Material: Plastic - Size: 2.75 x 2.2 cm Package Includes: 1 x MCP23017 I²C Module Note: Slight color variations may occur due to lighting and screen differences. Dimensions may have a tolerance of +/- 1–3 mm.