| ISL3232E | Intersil | QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers | 
| ICL3226E | Intersil | ±15kV ESD Protected, 1-Tx, 1-Rx, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown | 
| ICL3224E | Intersil | ±15kV ESD Protected, 2-Tx, 2-Rx, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown | 
| ICL3227E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown | 
| HIN232A | Intersil | High Speed +5V Powered RS-232 Transmitters/Receivers | 
| HIN232E | Intersil | ±15kV, ESD-Protected, +5V Powered, RS-232 Transmitters/Receivers | 
| ICL3222E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers | 
| ISL4221E | Intersil | QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers | 
| ISL4223E | Intersil | QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers | 
| ICL3223E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers |