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| PartNumber | KSZ8864CNXIA | KSZ8864CNXIA-TR | KSZ8864RMNU TR |
| Description | Ethernet ICs Two 10/100 PHYs and Four MACs | Ethernet ICs 4-Port 10/100 Switch w/ 2x MAC I/F, MII, RMII | Ethernet ICs 4-Port 10/100BT Switch with MII/RMII (Automotive) |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| RoHS | Y | Y | - |
| Series | KSZ8864 | KSZ8864 | KSZ8864 |
| Product | Ethernet Switches | Ethernet Switches | Ethernet Switches |
| Number of Transceivers | 4 Transceiver | 4 Transceiver | 4 Transceiver |
| Data Rate | 10 Mb/s, 100 Mb/s | 10 Mb/s, 100 Mb/s | - |
| Interface Type | MII, RMII | MII, RMII | - |
| Operating Supply Voltage | 1.2 V, 3.3 V | 1.2 V, 3.3 V | 1.2 V, 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-64 | QFN-64 | - |
| Packaging | Tray | Reel | - |
| Height | 0.05 mm | - | - |
| Length | 8 mm | - | - |
| Width | 8 mm | - | - |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Current Max | 48 mA | 48 mA | - |
| Duplex | Full-Duplex, Half-Duplex | Full-Duplex, Half-Duplex | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Ethernet ICs | Ethernet ICs | Ethernet ICs |
| Standard | 10BASE-T, 100BASE-T | 10BASE-T, 100BASE-T | - |
| Factory Pack Quantity | 260 | 1000 | - |
| Subcategory | Communication & Networking ICs | Communication & Networking ICs | Communication & Networking ICs |
| Supply Voltage Max | 3.465 V | 3.465 V | 1.25 V, 3.45 V |
| Supply Voltage Min | 1.14 V | 1.14 V | 1.15 V, 3.15 V |
| Unit Weight | 0.007277 oz | - | - |
| Part # Aliases | - | KSZ8864CNXIA TR | - |