Microchip 64-Pin QFN Ethernet Switch IC 3.3 V 100 Mbps KSZ8864CNXIA

Microchip KSZ8864CNXIA is a highly integrated Layer 2 managed Ethernet switch IC designed to deliver reliable and cost-effective networking solutions. Featuring a 64-pin QFN package sized 8mm by 8mm and operating at a single 3.3 V supply, this device supports up to 4 ports with 10/100 Mbps speeds, and offers dual MII/RMII interfaces enabling versatile connectivity options.

Advanced switch features include VLAN and Quality of Service (QoS) packet prioritization, rapid spanning tree protocol (RSTP) support for network topology optimization, and programmable ingress and egress rate limiting by port and priority, ensuring robust traffic management.

Its ultra-low power consumption design coupled with integrated line termination helps reduce overall system power usage and costs. The device operates reliably across a wide industrial temperature range from -40°C to +85°C, making it suitable for demanding applications in industrial, automotive, and commercial network environments.

The compact 64-pin QFN form factor enables efficient surface mounting on printed circuit boards, saving valuable space and reducing manufacturing complexity. Compliance with automotive standard AEC-Q100 Grade 3 further highlights its suitability for automotive electronics applications.

The fully managed 4-port switch provides optimized networking control. Dual MII/RMII interfaces support flexible network designs. VLAN and QoS prioritization enhance network traffic management. RSTP support prevents network loops for stable operation.

Programmable rate limiting improves traffic flow regulation. Source MAC filtering supports ring network topologies. 34 MIB counters facilitate detailed network performance monitoring. Ultra-low power consumption reduces energy costs.

Wide industrial temperature range extends device usability. 64-pin 8mm x 8mm QFN package allows space-efficient PCB assembly. Automotive AEC-Q100 Grade 3 compliance ensures reliability.

This Ethernet switch IC serves industrial, automotive, telecommunications, and embedded system markets requiring efficient and flexible Layer 2 switching at 10/100 Mbps speeds. Integration into network switches, routers, or complex embedded devices benefits from its small size, power efficiency, and advanced switching capabilities.

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