USB\VID_0400 or USB Vendor ID 0400 recognizes National Semiconductor Corp. as the USB Vendor and manufacturer of devices listed below.
| Vendor Id | Vendor Name | Device Id | Device Name | Type |
|---|---|---|---|---|
| 0400 | National Semiconductor Corp. | 05DC | Rigol Technologies DS1000USB Oscilloscope | USB |
| 0400 | National Semiconductor Corp. | 0807 | Bluetooth Dongle | USB |
| 0400 | National Semiconductor Corp. | 080A | Bluetooth Device | USB |
| 0400 | National Semiconductor Corp. | 09C4 | Rigol Technologies DG1022 Arbitrary Waveform Generator | USB |
| 0400 | National Semiconductor Corp. | 1000 | Mustek BearPaw 1200 Scanner | USB |
| 0400 | National Semiconductor Corp. | 1001 | Mustek BearPaw 2400 Scanner | USB |
| 0400 | National Semiconductor Corp. | 1237 | Hub | USB |
| 0400 | National Semiconductor Corp. | A000 | Smart Display Reference Device | USB |
| 0400 | National Semiconductor Corp. | C359 | Logitech Harmony | USB |
| 0400 | National Semiconductor Corp. | C35B | Printing Support | USB |
| 0400 | National Semiconductor Corp. | C55D | Rigol Technologies DS5000USB Oscilloscope | USB |