DS1486-120,IC TIMEKEEPER RAM 128K 32-EDIP
DS1486-120+,IC TIMEKEEPER RAM 128K 32-EDIP
DS1486P-120,IC TIMEKEEPER RAM 1MB 34-PCM
DS1486P-120+,IC TIMEKEEPER RAM 1MB 34-PCM
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
