| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | TP3465V |  628Kb/18P | MICROWIRE??Interface Device (MID) |
| TP3465V |  295Kb/17P | TP3465 MICROWIRETM Interface Device (MID) |
 National Semiconductor ... | TP3465N |  628Kb/18P | MICROWIRE??Interface Device (MID) |
 National Semiconductor ... | TP3464 |  628Kb/18P | MICROWIRE??Interface Device (MID) |
| TP3464N |  628Kb/18P | MICROWIRE??Interface Device (MID) |
 National Semiconductor ... | TP3465 |  295Kb/17P | TP3465 MICROWIRETM Interface Device (MID) |
| TP3401 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |
 National Semiconductor ... | TP3402 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |
 National Semiconductor ... | TP3403 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |