| Part Number | DS9638CJ | DS9638CN | 
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | 
| Category | Interface - Drivers, Receivers, Transceivers | Interface - Drivers, Receivers, Transceivers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Transceiver | Driver | 
| Protocol | RS422 | RS422, RS485 | 
| Number of Drivers/Receivers | 2/0 | 2/0 | 
| Duplex | - | - | 
| Receiver Hysteresis | - | - | 
| Data Rate | - | - | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Operating Temperature | - | 0°C ~ 70°C | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 8-CDIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-CDIP | 8-MDIP |