Microchip KSZ8895MQXI, Ethernet Switch IC, MII, 10/100Mbit/s 3.3 V, 128-Pin PQFP

Microchip

Product Information

Network Interface:
MII
Dimensions:
2.9 x 20 x 14mm
Mounting Type:
Surface Mount
VLAN Support:
Yes
IC Type:
Switch IC
Typical Operating Supply Voltage:
3.3 V
Number of Ports:
5
Package Type:
PQFP
Minimum Operating Temperature:
-40 °C
Data Rate:
10/100Mbps
Maximum Operating Temperature:
+85 °C
Pin Count:
128
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The KSZ8895MQXI created by Microchip is a high-performance 5-port Ethernet switch IC for various embedded and industrial networking applications. It supports data rates up to 10/100 Mbit/s and integrates key Layer 2 features, including VLANs, QoS, and port-based control. Operating at 3.3 V and packaged in a 128-pin PQFP, this device is ideal for systems requiring reliable, compact, and power-efficient switching functions. The switch supports both PHY and MAC interfaces, making it versatile for a range of embedded designs requiring flexible port configurations.

Core Capabilities of the Microchip Ethernet Switch IC

  • Five-port 10/100Base-T/TX switch fabric with non-blocking performance.
  • 3.3 V operation with integrated voltage regulator for core power.
  • Dual MII/RMII interface on port 5 for PHY or MAC flexibility.
  • Quality of Service (QoS) with four priority queues per port.
  • 128-pin PQFP package designed for space-constrained applications.

Engineered for Embedded Ethernet Applications

This switch IC is optimised for systems requiring managed switching within tight PCB constraints. The flexible port 5 configuration allows easy expansion or uplink to host SoCs or external PHYs.

Usage Scenarios of the Product

  • Industrial Ethernet devices requiring embedded Layer 2 switching.
  • Access gateways with VLAN, QoS, and MAC/PHY routing options.
  • Panel PCs, control systems, and remote I/O with multi-port LAN support.
  • Smart home or building automation controllers with an Ethernet backbone.
  • Embedded cameras or security systems with managed network access.

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Datasheet(Technical Reference)

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