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KSZ8864RMNU - 4-Port Ethernet Switch Controller IC

The KSZ8864RMNU from Microchip Technology is a high-performance, low-power 4-port Ethernet switch controller designed for embedded and industrial networking applications. This advanced IC integrates four 10/100 Base-T/TX PHY transceivers with a fully managed Layer 2 switch engine, delivering reliable connectivity for space-constrained designs.

Key Features & Benefits

  • Integrated 4-Port Switch: Eliminates the need for external PHY components, reducing BOM cost and board space
  • Dual Interface Support: MII and RMII interfaces provide flexible host connectivity options
  • Wide Operating Range: -40°C to 85°C temperature range ensures reliable performance in harsh industrial environments
  • Multi-Voltage Operation: Supports 1.8V, 2.5V, and 3.3V supply rails for seamless integration into mixed-voltage systems
  • Compact Footprint: 64-pin QFN (8x8mm) package with exposed pad for enhanced thermal performance
  • RoHS Compliant: Meets environmental standards for global deployment

Typical Applications

  • Industrial automation and control systems
  • Building management and HVAC networks
  • IP surveillance and security systems
  • Embedded computing and IoT gateways
  • Medical equipment networking
  • Automotive infotainment and telematics

Why Choose HQICKEY?

As a premium distributor of authentic semiconductor components, HQICKEY guarantees 100% genuine Microchip products with full traceability. Every KSZ8864RMNU unit undergoes rigorous quality control and comes with long lifecycle availability to support your production needs for years to come. Our dedicated technical team provides expert guidance for design-in support and integration assistance.

Related Resources

Explore our complete range of Ethernet Controllers & Interface ICs for your embedded system designs. Visit our homepage to discover more authentic components, or check our technical blog for the latest industry insights and application notes.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series Tape & Reel (TR)
Packaging |
Protocol Ethernet
Function Switch
Interface MII, RMII
Standards 10/100 Base-T/TX PHY
Voltage - Supply 1.8V, 2.5V, 3.3V
Current - Supply -
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Package / Case 64-VFQFN Exposed Pad
Supplier Device Package 64-QFN (8x8)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY