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| PartNumber | DS21Q43AT+ | DS21Q43-ATN | DS21Q43 |
| Description | Telecom Interface ICs Quad E1 Framer | Telecom Interface ICs Quad E1 Framer | |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Telecom Interface ICs | Telecom Interface ICs | Interface - Telecom |
| RoHS | Y | N | - |
| Product | E1 Framers | E1 Framers | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-128 | TQFP-128 | - |
| Packaging | Tube | Tube | Tube |
| Data Rate | 1.544 Mb/s | 1.544 Mb/s | - |
| Series | DS21Q43AT | DS21Q43-ATN | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Number of Channels | 4 Channel | 4 Channel | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Telecom Interface ICs | Telecom Interface ICs | - |
| Factory Pack Quantity | 72 | 72 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Part # Aliases | 90-21Q43+AT0 DS21Q43AT | 90-21Q43-ATN DS21Q43-ATN | - |
| Unit Weight | 0.021693 oz | 0.017760 oz | - |
| Moisture Sensitive | - | Yes | - |
| Package Case | - | - | 128-LQFP |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Function | - | - | * |
| Interface | - | - | Parallel/Serial |
| Voltage Supply | - | - | 4.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 128-LQFP (14x20) |
| Number of Circuits | - | - | |
| Power Watts | - | - | * |
| Current Supply | - | - | 32mA |