MCP23S18T-E/MJVAO MCP23S18T-E/SO MCP23S18T-E/SOVAO MCP23S80-E/SS MCP23X08EV MCP23X17EV MCP23X17EV 单片机MCU MCP2410-I/SO MCP24-I/STRA5 MCP24LC512-I/MF