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| Part Number | DS485TM | DS485TMX | DS481TM | DS485M |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | National Semiconductor | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Type | Transceiver | Transceiver | Transceiver | Transceiver |
| Protocol | RS422, RS485 | RS422, RS485 | RS422, RS485 | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 | 1/1 | 1/1 | 1/1 |
| Duplex | Half | Half | Half | Half |
| Receiver Hysteresis | 70 mV | 70 mV | 70 mV | 70 mV |
| Data Rate | 2.5Mbps | 2.5Mbps | 2Mbps | 2.5Mbps |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
