RS422 converter, programming, interface, serial port and RS232 splitter - tatanh1983/conchodom GitHub Wiki

ICL3221 Series 250 kbps 15 kV RS232 5.5V Transmitter/Receiver - TSSOP-16 https://www.futureelectronics.com/p/semiconductors--signal-interface--rs-232/icl3221eivz-t-renesas-9034756