MCP2221AT-I/ST IC-2221 USB TO I2C/UART INTERFACE 14-TSSOP The MCP2221AT-I/ST is a high-quality product offering IC-2221 USB TO I2C/UART INTERFACE 14-TSSOP. With a shrink ratio of N/A and -40°C~+85°C operating temperature, it provides reliability in various applications.