| Part Number | KSZ8081RNAIA-TR | KSZ8091RNAIA-TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Interface - Drivers, Receivers, Transceivers | Interface - Drivers, Receivers, Transceivers | 
|   |   | |
| Product Status | Active | Active | 
| Type | Transceiver | Transceiver | 
| Protocol | RMII | Ethernet | 
| Number of Drivers/Receivers | 1/1 | 1/1 | 
| Duplex | Full | Full | 
| Receiver Hysteresis | - | - | 
| Data Rate | - | - | 
| Voltage - Supply | 1.8V, 2.5V, 3.3V | 3.3V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 
| Supplier Device Package | 24-QFN (4x4) | 24-QFN (4x4) |