| SP490CN | Full duplex RS-485 transceivers in 8-pin NSOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP490CS | Full duplex RS-485 transceivers in 8-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP490EN | Full duplex RS-485 transceivers in 8-pin NSOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP490ES | Full duplex RS-485 transceivers in 8-pin DIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP491CN | Full duplex RS-485 transceivers in 14-pin NSOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP491CS | Full duplex RS-485 transceivers in 14-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP491EN | Full duplex RS-485 transceivers in 14-pin NSOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP491ES | Full duplex RS-485 transceivers in 14-pin DIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP490ECN | Enhanced full duplex RS-485 transceivers in 8-pin NSOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP490ECP | Enhanced full duplex RS-485 transceivers in 8-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP490EEN | Enhanced full duplex RS-485 transceivers in 8-pin NSOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP490EEP | Enhanced full duplex RS-485 transceivers in 8-pin DIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP491ECN | Enhanced full duplex RS-485 transceivers in 14-pin NSOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP491ECP | Enhanced full duplex RS-485 transceivers in 14-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| SP491EEN | Enhanced full duplex RS-485 transceivers in 14-pin NSOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP491EEP | Enhanced full duplex RS-485 transceivers in 14-pin DIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| SP490 | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP490CN/TR | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP490EN/TR | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP491 | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP491CN/TR | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP491EN/TR | Full Duplex RS-485 Transceivers | Datasheet*) |
| SP490E | Enhanced Full Duplex RS-485 Transceivers | Datasheet*) |
