| PartNumber | UA9638CD | UA9638CDE4 | UA9638CDG4 |
| Description | RS-422 Interface IC Dual HS Diff | RS-422 Interface IC Dual HS Diff | RS-422 Interface IC Dual Hi-Spd Diff Line Drvr |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | RS-422 Interface IC | RS-422 Interface IC | RS-422 Interface IC |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOIC-8 | SOIC-8 |
| Series | UA9638 | UA9638 | UA9638 |
| Data Rate | 15 Mb/s | 15 Mb/s | - |
| Number of Drivers | 1 Driver | 2 Driver | - |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage Min | 4.75 V | 4.75 V | 4.75 V |
| Operating Supply Current | 65 mA | 65 mA | 65 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | Tube | Tube |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Product Type | RS-422 Interface IC | RS-422 Interface IC | RS-422 Interface IC |
| Factory Pack Quantity | 75 | 75 | 75 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.002561 oz | 0.002561 oz | 0.002561 oz |
| Function | - | Driver | - |
| Number of Receivers | - | 0 Receiver | - |
| Product | - | RS-422 Drivers | - |
| Shutdown | - | No Shutdown | - |
| Propagation Delay Time | - | 10 ns | - |