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| PartNumber | KSZ8721B-TR | KSZ8721B | KSZ8721B-EVAL |
| Description | Ethernet ICs 10/100 BASE-TX/FX Physical Layer Transceiver | Ethernet ICs 10/100 BASE-TX/FX Physical Layer Transceiver | BOARD EVALUATION FOR KSZ8721B |
| Manufacturer | Microchip | Microchip | - |
| Product Category | Ethernet ICs | Ethernet ICs | - |
| RoHS | Y | Y | - |
| Product | Ethernet Transceivers | Ethernet Transceivers | - |
| Number of Transceivers | 1 Transceiver | 1 Transceiver | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SSOP-48 | SSOP-48 | - |
| Packaging | Reel | Tube | - |
| Brand | Microchip Technology / Micrel | Microchip Technology / Micrel | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Ethernet ICs | Ethernet ICs | - |
| Factory Pack Quantity | 1000 | 30 | - |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | - |
| Part # Aliases | KSZ8721B TR | - | - |
| Unit Weight | 0.021175 oz | 0.021175 oz | - |
| Series | - | KSZ8721 | - |
| Data Rate | - | 100 Mb/s | - |
| Minimum Operating Temperature | - | 0 C | - |
| Maximum Operating Temperature | - | + 70 C | - |
| Duplex | - | Full Duplex | - |
| Pd Power Dissipation | - | 200 mW | - |
| Standard | - | 10BASE-T, 100BASE-FX, 100BASE-TX | - |
| Supply Voltage Max | - | 3.3 V | - |
| Supply Voltage Min | - | 2.5 V | - |