a 5 V Powered CMOS RS-232 Drivers/Receivers ADM2.
Analog Devices
ADM231L - CMOS RS-232 Drivers/Receivers
a 5 V Powered CMOS RS-232 Drivers/Receivers ADM223/ADM230L–ADM241L FEATURES ADM232L TYPICAL OPERATING CIRCUIT Single 5 V Power Supply 5V INPUT .