| Device | Supported Protocols | # of Ports | # of Tx/Rx per Port | High ESD | Data Rate RS-485/RS-232 (Mbps) | RS-485 Rx Failsafe Type | VLOGIC Supply Pin | RXEN Polarity | Loopback Feature | Package Type | Temp Range | MSRP ($/1K Units) |
| ISL3331 | RS-232, RS-422, RS-485 | 1 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20, 0.46, 0.115/0.4 | Full | Yes | High and Low | Yes | QFN40 | -40 to 85 | $3.60 |
| ISL41387 | RS-232, RS-422, RS-485 | 1 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20, 0.46, 0.115/0.5 | Full | Yes | High and Low | Yes | QFN40 | -40 to 85 | $2.93 |
| ISL3332 | RS-232, RS-422, RS-485 | 2 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20/0.4 | Full | No | None | Yes | SSOP28 | -40 to 85 | $4.27 |
| ISL3333 | RS-232, RS-422, RS-485 | 2 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20, 0.46, 0.115/0.4 | Full | Yes | Low | Yes | QFN40 | -40 to 85 | $4.27 |
| ISL41334 | RS-232, RS-422, RS-485 | 2 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20, 0.46, 0.115/0.5 | Full | Yes | Low | Yes | QFN40 | -40 to 85 | $3.60 |
| ISL81387 | RS-232, RS-422, RS-485 | 1 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20 , 0.46 , 0.115 /0.65 | Full | No | High | Yes | SOIC20, SSOP20 | -40 to 85 | $2.93 |
| ISL3330 | RS-232, RS-422, RS-485 | 1 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20, 0.46/0.4 | Full | No | High | Yes | SSOP20 | -40 to 85 | $2.93 |
| ISL81334 | RS-232, RS-422, RS-485 | 2 | 1/1 RS-485, RS-422; 2/2 RS-232 | 15 kV | 20 , 0.46 , 0.115 /0.65 | Full | No | None | Yes | SOIC28, SSOP28 | -40 to 85 | $3.60 |
