| PartNumber | SN65HVD21D | SN65HVD21AD | SN65HVD21ADR |
| Description | RS-485 Interface IC RS485 Ext Com-Md | RS-485 Interface IC Extended Common- Mode RS-485 Xcvr | RS-485 Interface IC Extended Common- Mode RS-485 Xcvr |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | RS-485 Interface IC | RS-485 Interface IC | RS-485 Interface IC |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOIC-8 | SOIC-8 |
| Series | SN65HVD21 | SN65HVD21A | SN65HVD21A |
| Function | Transceiver | Transceiver | Transceiver |
| Data Rate | 5 Mb/s | 6 Mb/s | 6 Mb/s |
| Number of Drivers | 1 Driver | 1 Driver | 1 Driver |
| Number of Receivers | 1 Receiver | 1 Receiver | 1 Receiver |
| Duplex | Half Duplex | Half Duplex | Half Duplex |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Operating Supply Current | 12 mA | 12 mA | 12 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Reel |
| Product | RS-485 Transceivers | RS-485 Transceivers | RS-485 Transceivers |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Shutdown | No Shutdown | No Shutdown | No Shutdown |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | RS-485 Interface IC | RS-485 Interface IC | RS-485 Interface IC |
| Factory Pack Quantity | 75 | 75 | 2500 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.002561 oz | 0.004706 oz | 0.004706 oz |
| Propagation Delay Time | - | 100 ns | 100 ns |