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| PartNumber | XR21B1421IL28-F | XR21B1421IL28TR-F | XR21B1421IL28-0A-EVB |
| Description | I/O Controller Interface IC 1 CH FS USB UART with HID | I/O Controller Interface IC 1 CH FS USB UART with HID | Interface Development Tools 1 CH FS USB UART w/ HID EVAL Board |
| Manufacturer | MaxLinear | MaxLinear | MaxLinear |
| Product Category | I/O Controller Interface IC | I/O Controller Interface IC | Interface Development Tools |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-EP-28 | QFN-EP-28 | - |
| Series | XR21B1421 | XR21B1421 | XR21B1421 |
| Packaging | Tray | Reel | Bulk |
| Height | 1 mm | 1 mm | - |
| Length | 5 mm | 5 mm | - |
| Width | 5 mm | 5 mm | - |
| Brand | MaxLinear | MaxLinear | MaxLinear |
| Moisture Sensitive | Yes | - | - |
| Product Type | I/O Controller Interface IC | I/O Controller Interface IC | Interface Development Tools |
| Factory Pack Quantity | 490 | 3000 | 1 |
| Subcategory | Interface ICs | Interface ICs | Development Tools |
| Unit Weight | 0.000882 oz | - | - |
| Product | - | - | Evaluation Boards |
| Type | - | - | USB to UART |
| Tool Is For Evaluation Of | - | - | XR21B1421 |
| Description/Function | - | - | Evaluation board for 1-channel full-speed USB HID to UART bridge |
| Interface Type | - | - | UART, USB |
| For Use With | - | - | XR21B1421 |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Operating Supply Voltage | - | - | 3.3 V, 5 V |