ST232B ST232C 5 V powered multi-channel RS-232 dri.
ST Microelectronics
ST232B - 5V Powered Multi-channel RS-232 Drivers/Receivers
ST232B ST232C 5 V powered multi-channel RS-232 drivers and receivers Features ■ Supply voltage range: 4.5 to 5.5 V ■ Supply current no load (typ.): 5.