KSZ8041NL 10Base-T/100Base-TX Physical Layer Transceiver Data Sheet
The KSZ8041NL provides MII and RMII interfaces for Ethernet data transmission and reception. It features a mixed‑signal design that extends signaling distance while keeping power consumption low, and includes HP Auto MDI/MDI‑X for automatic cable type detection.
The device is offered in a 32‑pin lead‑free MLF (QFN) package and is qualified for commercial, industrial, and automotive temperature ranges. It supports a single 3.3 V supply, includes a built‑in 1.8 V regulator, and offers programmable LED outputs for link, activity, and speed indication.
| Power consumption | <180 mW |
|---|---|
| Supply voltage | 3.3 V (single supply) |
| Built‑in regulator | 1.8 V for core |
| ESD rating | 6 kV |
| Operating temperature (commercial) | -40 °C to 85 °C |
| Package | 32‑pin MLF (5 mm × 5 mm) QFN |
The device consumes less than 180 mW of power.
Yes, it includes HP Auto MDI/MDI‑X for reliable detection and correction of straight‑through and crossover cables.
It supports both MII and RMII interfaces, as well as a MIIM (MDC/MDIO) management bus.
The chip is offered in a 32‑pin lead‑free MLF (QFN) package measuring 5 mm × 5 mm.