UM3243 Low Supply Current, 3V to 5.5V, 250kbps, 3-.
Union Semiconductor
UM3243 - Enhanced ESD Protection Smart RS-232 Transceivers
UM3243 Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers UM3243EEAS/UM3243EEASR/ UM3243E.
