商品描述: ANALOG DEVICES - MAX490CSA+ - RS485/RS422, Low Power Transmitter/Receiver With Thermal Shutdown, 2.5Mbps data Rate, Duplex, SOIC-8 ANALOG DEVICES - MAX490CSA+ - RS485/RS422, Low Power Transmitter/Receiver With Thermal Shutdown, 2.5Mbps data Rate, Duplex, SOIC-8