The MCP23008-E/SS is an IC component that belongs to the MCP230xx family of general-purpose I/O expanders. It is designed to provide additional input/output (I/O) ports for microcontrollers or microprocessors. With its small 20-pin SSOP package, this IC offers flexibility and ease of integration into various electronic systems.
Key features of the MCP23008-E/SS include a total of 8 programmable I/O pins, which can be configured as either inputs or outputs based on the system requirements. Moreover, this component utilizes an I2C bus interface, allowing for simple and efficient communication with the host controller. The MCP23008-E/SS also provides built-in pull-up resistors that can be enabled on input pins to simplify circuit design.
Another notable feature of the MCP23008-E/SS is its capability to work in an interrupt-driven mode, enabling it to notify the host device when a specific event occurs. This greatly enhances system efficiency by reducing the need for continuous polling of I/O states.
Furthermore, the MCP23008-E/SS supports a wide operating voltage range of 1.8V to 5.5V, making it compatible with various power supply configurations. Additionally, it offers a maximum sink/source current of 25mA, enabling direct drive of LEDs and other low-to-moderate power devices.
Overall, the MCP23008-E/SS is a versatile IC component that provides expandability and flexibility to electronic systems. Its key features include 8 programmable I/O pins, I2C bus interface, interrupt-driven mode, pull-up resistors, wide operating voltage range, and high sink/source current capability.
