10Base-T/100Base-TX Physical Layer Transceiver The KSZ8041NLI is a single-port 10/100 Ethernet PHY manufactured by MICREL (now part of Microchip Technology). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Interface:** MII (Media Independent Interface) and RMII (Reduced Media Independent Interface).
- **Data Rate:** Supports 10BASE-T and 100BASE-TX Ethernet.
- **Voltage Supply:** 3.3V ±10%.
- **Operating Temperature Range:** -40°C to +85°C.
- **Package:** 32-pin QFN (5mm x 5mm).
- **Compliance:** IEEE 802.3 (10BASE-T), IEEE 802.3u (100BASE-TX).
- **Power Consumption:** Low power with power-down mode.
- **LED Indicators:** Supports link/activity and speed status LEDs.
### **Descriptions:**
- The KSZ8041NLI is a fully integrated physical layer transceiver designed for Ethernet applications.
- It provides auto-negotiation for speed and duplex mode selection.
- Supports HP Auto-MDIX for automatic crossover detection in twisted-pair connections.
- Includes advanced power management features for energy efficiency.
### **Features:**
- **Auto-Negotiation:** Automatically selects the best speed (10/100 Mbps) and duplex mode.
- **Auto-MDIX:** Eliminates the need for crossover cables.
- **Energy Efficient Ethernet (EEE):** Compliant with IEEE 802.3az for reduced power consumption.
- **Loopback Modes:** Supports digital and analog loopback for diagnostics.
- **Jabber Function:** Detects and terminates abnormally long transmissions.
- **LinkMD® Cable Diagnostics:** Identifies cable faults (open/short).
- **Industrial Temperature Support:** Suitable for harsh environments.
This information is based solely on the manufacturer's datasheet and technical documentation.
