Microchip 128-Pin TQFP Controller IC 3.3 V 100 Mbps PCI Full Duplex/Half Duplex LAN9420I-NU

Microchip LAN9420I-NU is a 128-Pin TQFP Controller IC designed for Ethernet interface applications with a maximum data rate of 100 Mbps. Operating at a supply voltage of 3.3 V, it supports both Full Duplex and Half Duplex communication modes, making it suitable for versatile networking environments.

This controller IC features a PCI interface for easy integration into various electronic systems. It complies with IEEE 802.3 and IEEE 802.3u standards, ensuring reliable Ethernet communications. The internal loopback mode allows for self-diagnostics and efficient system troubleshooting.

Manufactured for surface mounting, the device comes in a compact 128-pin TQFP package with precise dimensions of 14.2 mm by 14.2 mm and a height of 1.2 mm, ideal for space-constrained applications. It operates over a wide temperature range from -40°C up to 85°C, suitable for industrial and automotive environments (although not meeting automotive standards). The IC draws a supply current of 125 mA, balancing performance and power efficiency.

This product is new and originates from India. It is widely used in industrial, manufacturing, and embedded electronics contexts requiring Ethernet connectivity and control. Operates at 3.3 volts supply for low power consumption.

Supports 100 Mbps maximum data rate for fast Ethernet communication. Compatible with PCI interface, simplifying integration into PCBs. Surface mountable 128-pin TQFP package ensures compact footprint. Wide temperature operational range (-40°C to 85°C) for enhanced reliability.

Internal loopback feature aids in diagnostics and testing. Suitable for full and half duplex communication modes. Compliant with IEEE 802.3u and IEEE 802.3 standards for Ethernet protocols. Explore our Electronics & Electricals category for more Semiconductor Controllers and related products from trusted brands like Microchip at EnvMart.