DS1487M,总线接收器
DS1487M/NOPB,总线接收器 LO PR RS485/1/4 UNIT LOAD MULTIPT XCVR
DS1487MX,总线接收器
DS1487MX/NOPB,总线接收器
DS1487N/NOPB,IC TRANSCEIVER HALF 1/1 8MDIP
【National Semiconductor】DS1488N,IC INVERTER QUAD 1-INPUT 14DIP
【National Semiconductor】DS1489AM,IC LINE RECEIVER QUAD 14-SOIC
【National Semiconductor】DS1489N/HALF,