MCP23S17T-E/SS MCP23S17T-E/SS MCP23S17-E/SS MCP23S17T-E/SSVAO MCP23S18-E/MJ MCP23S18-E/SO MCP23S18-E/SOVAO MCP23S18E/SP MCP23S18-E/SP MCP23S18T-E/MJ MCP23S18T-E/MJVAO