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| PartNumber | DS21455 | DS21455DK | DS21455+ |
| Description | Telecom Interface ICs Quad E1-T1-J1 Transceiver | KIT DESIGN FOR DS21458 | Network Controller & Processor ICs Quad E1-T1-J1 Transceive |
| Manufacturer | Maxim Integrated | - | Maxim Integrated |
| Product Category | Telecom Interface ICs | - | IC Chips |
| Product | T1/E1/J1 Line Interface Units - LIUs | - | T1/E1/J1 Line Interface Units - LIUs |
| Supply Voltage Max | 3.465 V | - | - |
| Supply Voltage Min | 3.135 V | - | - |
| Minimum Operating Temperature | 0 C | - | 0 C |
| Maximum Operating Temperature | + 70 C | - | + 70 C |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | BGA | - | - |
| Packaging | Tube | - | Tray |
| Data Rate | 64 kb/s | - | 64 kb/s |
| Series | DS21455 | - | DS21455 |
| Brand | Maxim Integrated | - | - |
| Number of Channels | 4 Channel | - | 4 Channel |
| Operating Supply Voltage | 3.3 V | - | 3.3 V |
| Product Type | Telecom Interface ICs | - | - |
| Factory Pack Quantity | 40 | - | - |
| Subcategory | Interface ICs | - | - |
| Part # Aliases | 90-21455-000 DS21455 | - | 90-21455+000 |
| Unit Weight | - | - | 0.098203 oz |
| Package Case | - | - | BGA-256 |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Function | - | - | * |
| Interface | - | - | LIU |
| Voltage Supply | - | - | 3.135 V ~ 3.465 V |
| Supplier Device Package | - | - | 256-BGA (27x27) |
| Number of Circuits | - | - | 4 |
| Power Watts | - | - | * |
| Current Supply | - | - | - |
| Supply Voltage Max | - | - | 3.465 V |
| Supply Voltage Min | - | - | 3.135 V |