【MULTICOMP】MC14689.,
【MULTICOMP】MC14690,
【MULTICOMP】MC14691,
【MULTICOMP】MC14692,
【MULTICOMP】MC14761,
【MULTICOMP】MC14762,
【ON Semiconductor】MC1488D,缓冲器和线路驱动器 Quad Line EIA-232D
【STMicroelectronics】MC1488D1,总线发射器 Quad Line Driver
