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| Part Number | KSZ9021RN | KSZ9021RNI | KSZ9031RN | KSZ9021GN | KSZ9021RL |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Obsolete | Active | Active |
| Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Protocol | Gigabit Ethernet | Gigabit Ethernet | Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Number of Drivers/Receivers | 8/8 | 8/8 | 4/4 | 8/8 | 8/8 |
| Duplex | Full | Full | Full | Full | Full |
| Receiver Hysteresis | - | - | - | - | - |
| Data Rate | - | - | - | - | - |
| Voltage - Supply | 3.135V ~ 3.465V | 3.135V ~ 3.465V | 1.8V, 2.5V, 3.3V | 3.135V ~ 3.465V | 3.135V ~ 3.465V |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-LQFP Exposed Pad |
| Supplier Device Package | 48-QFN (7x7) | 48-QFN (7x7) | 48-QFN (7x7) | 64-QFN (8x8) | 64-LQFP-EP (10x10) |
