±65V Fault Protected 500kpbs/20Mbps Half-Duplex RS-485/RS-422 Transceivers Maxim MAX14775EASA+ SO-8 5 x 3,9 mm
Single Channel RS-232 Line Driver/Receiver T.I. MAX3221EEAE+ SSOp-16 6,3 x 5,6 mm
3V to 5.5V Multichannel RS-232 Line Driver and Receiver SSOP-28 10,2 x 7,8 mm 10+ €1,20