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| PartNumber | KSZ9031MNXIA-TR | KSZ9031MNXIA | KSZ9031MNXIC |
| Description | Ethernet ICs | Ethernet ICs 1-Port GigabitEthrnt Ethernet PHY | Ethernet ICs GbE Physical Layer Transceiver with GMII/MII |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| RoHS | Y | Y | Y |
| Series | KSZ9031 | KSZ9031 | KSZ9031 |
| Product | Ethernet Transceivers | Ethernet Transceivers | Ethernet Transceivers |
| Number of Transceivers | 1 Transceiver | 1 Transceiver | 1 Transceiver |
| Operating Supply Voltage | 1.8 V, 2.5 V, 3.3 V | 1.8 V, 2.5 V, 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 45 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-64 | QFN-64 | QFN-64 |
| Packaging | Reel | Tube | Tray |
| Brand | Microchip Technology / Micrel | Microchip Technology / Micrel | Microchip Technology / Micrel |
| Supply Current Max | 221 mA | 221 mA | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| Standard | 10BASE-T, 100BASE-TX, 1000BASE-T | 10BASE-T, 100BASE-TX, 1000BASE-T | - |
| Factory Pack Quantity | 1000 | 260 | 260 |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | Communication & Networking ICs |
| Supply Voltage Max | 1.26 V, 3.465 V, 2.625 V, 1.89 V | 1.26 V, 3.465 V, 2.625 V, 1.89 V | 3.465 V |
| Supply Voltage Min | 1.14 V, 3.135 V, 2.375 V, 1.71 V | 1.14 V, 3.135 V, 2.375 V, 1.71 V | 3.135 V |
| Part # Aliases | KSZ9031MNXIA TR | - | - |
| Unit Weight | 0.007277 oz | 0.007277 oz | 0.006261 oz |
| Data Rate | - | 10 Mb/s, 100 Mb/s, 1000 Mb/s | 10 Mb/s, 100 Mb/s, 1000 Mb/s |
| Interface Type | - | - | MII, GMII |
| Duplex | - | - | Full Duplex, Half Duplex |