| ICL3245 | Intersil | 1mA, +3V to +5.5V, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown | 
| ISL83387E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transceivers and a Separate Logic Supply | 
| ICL3227E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown | 
| ICL3225E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown | 
| ISL83220E | Intersil | ±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers | 
| ISL3152E | Intersil | 5V, RS-485/RS-422 Differential Transceiver | 
| ISL3175E | Intersil | ±15kV IEC ESD Protected, 3.3V, Half-duplex, 500kbps RS-485/RS-422 Transceiver with Tx/Rx enable | 
| ISL8483E | Intersil | ESD Protected to ±15kV, 5V, Low Power, Slew Rate Limited, RS-485/RS-422 Transceivers | 
| ISL8485E | Intersil | ESD Protected to ±15kV, 5V, Low Power, High SpeedRate Limited, RS-485/RS-422 Transceivers | 
| HD-15530 | Intersil | CMOS Manchester Encoder-Decoder |