Device Overview
KSZ8863MLL is a Microchip Technology 3-port 10/100 managed Ethernet switch with integrated PHYs in a LQFP-48 package. The main engineering checks for this variant are Device Function (3-port 10/100 managed Ethernet switch with integrated PHYs), Port Speed (10/100 Mbps), Copper Ports (2).
Selection-Critical Data
| Parameter | Confirmed Data | Why It Matters |
|---|---|---|
| Device Function | 3-port 10/100 managed Ethernet switch with integrated PHYs | Defines the device function or architecture that a compatible replacement must preserve before secondary ratings are compared. |
| Port Speed | 10/100 Mbps | Defines the supported Ethernet port rate and therefore link compatibility with attached PHYs/MACs. |
| Copper Ports | 2 | Defines the number of integrated copper Ethernet ports and therefore how many external links the switch can terminate directly. |
| Upstream Interface | MII/RMII | Defines the documented control or communication path that must remain compatible with the host and surrounding peripherals. |
| Supply Voltage | 3.3 V | Defines compatibility with the available board power rail and required bias range. |
| Operating Temperature | -40 to +85 degC | Defines the qualified measurement or environmental range that the design must remain within. |
| Exact Package | LQFP-48 | Determines PCB footprint, pinout, mechanical assembly and orderable-variant compatibility. |
Logic and Interface Selection Notes
3-port 10/100 managed Ethernet switch with integrated PHYs is the stated device function value. Defines the device function or architecture that a compatible replacement must preserve before secondary ratings are compared.
At 10/100 Mbps, the port speed defines the supported Ethernet port rate and therefore link compatibility with attached PHYs/MACs. MII/RMII is the stated upstream interface value. Defines the documented control or communication path that must remain compatible with the host and surrounding peripherals. The supply voltage is 3.3 V; this defines compatibility with the available board power rail and required bias range.
Operating Temperature is -40 to +85 degC. Defines the qualified measurement or environmental range that the design must remain within. For exact package, LQFP-48 is the approved value. Determines PCB footprint, pinout, mechanical assembly and orderable-variant compatibility.
Copper Ports is 2. Defines the number of integrated copper Ethernet ports and therefore how many external links the switch can terminate directly.
