| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| SP491ECN | Enhanced full duplex RS-485 transceivers | Sipex-Corporation | NSOIC | 14 | 0°C | 70°C | 109 K |
| SP491ECP | Enhanced full duplex RS-485 transceivers | Sipex-Corporation | DIP | 14 | 0°C | 70°C | 109 K |
| SP491EEN | Enhanced full duplex RS-485 transceivers | Sipex-Corporation | NSOIC | 14 | -40°C | 85°C | 109 K |
| SP491EEP | Enhanced full duplex RS-485 transceivers | Sipex-Corporation | DIP | 14 | -40°C | 85°C | 109 K |
| SP491EN | Full duplex RS-485 transceivers | Sipex-Corporation | NSOIC | 14 | -40°C | 85°C | 94 K |
| SP491ES | Full duplex RS-485 transceivers | Sipex-Corporation | DIP | 14 | -40°C | 85°C | 94 K |
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