| Part Number | KSZ9897RTXC | KSZ9897STXC | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Interface - Controllers | Interface - Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Protocol | Ethernet | Ethernet | 
| Function | Switch | Switch | 
| Interface | I²C, SPI | I²C, SPI | 
| Standards | 10/100/1000 Base-T PHY | 10/100/1000 Base-T PHY | 
| Voltage - Supply | 1.8V, 2.5V, 3.3V | 1.8V, 2.5V, 3.3V | 
| Current - Supply | - | - | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Package / Case | 128-TQFP Exposed Pad | 128-TQFP Exposed Pad | 
| Supplier Device Package | 128-TQFP-EP (14x14) | 128-TQFP-EP (14x14) |