| PartNumber | TP3420AV308/NOPB | TP3420AV308 | TP3420AV308-TR/NOPB |
| Description | IC TXRX INTERFACE DEVICE 20-PLCC | IC TXRX INTERFACE DEVICE 20-PLCC | IC INTERFACE ISDN DEVICE 20-PLCC |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Interface - Telecom | - | - |
| Series | - | - | - |
| Packaging | Tube | - | - |
| Package Case | 20-LCC (J-Lead) | - | - |
| Operating Temperature | * | - | - |
| Mounting Type | Surface Mount | - | - |
| Function | * | - | - |
| Interface | ISDN | - | - |
| Voltage Supply | 4.75 V ~ 5.25 V | - | - |
| Supplier Device Package | 20-PLCC (9x9) | - | - |
| Number of Circuits | - | - | |
| Power Watts | * | - | - |
| Current Supply | * | - | - |