Product Overview
The KSZ8794CNXIC from Microchip Technology is a 4-port 10/100 Ethernet switch with MII/RMII host interface in an LQFP-128 package. Supporting VLAN, QoS, IGMP snooping, and non-blocking wire-speed forwarding, it enables managed Ethernet switching in industrial and embedded networking applications.
Key Specifications
| Ports | 4 (3 PHY + 1 MAC) |
| Speed | 10/100 Mbps |
| Host Interface | MII / RMII |
| Core Supply | 3.3V |
| I/O Supply | 3.3V / 2.5V |
| Power Consumption | <1W |
| Operating Temperature | -40°C to +85°C (CNXIC suffix) |
| Package | LQFP-128 (14x14mm) |
Features
- 4-port integrated 10/100 Ethernet switch with 3 PHY + 1 MAC port
- MII/RMII host interface for MCU/SoC connectivity
- VLAN support (port-based and 802.1Q tag-based)
- QoS with 4 traffic queues per port
- IGMP snooping for multicast optimization
- Non-blocking wire-speed switching fabric (400Mbps)
Applications
- Industrial Ethernet switches and gateways
- Embedded networking in automation systems
- IP cameras and video surveillance networks
- Building automation and smart infrastructure