Microchip LAN9311I-NZW, 2-Port Ethernet Switch IC, MII, 10 Mbps, 100 Mbps 1.8 V, 3.3 V, 128-Pin XVTQFP

Microchip

Product Information

Network Interface:
MII
Dimensions:
14.2 x 14.2 x 1.05mm
Mounting Type:
Surface Mount
VLAN Support:
Yes
IC Type:
Switch IC
Typical Operating Supply Voltage:
1.8 V, 3.3 V
Number of Ports:
2
Package Type:
XVTQFP
Minimum Operating Temperature:
-40 °C
Data Rate:
10 Mbps, 100Mbps
Maximum Operating Temperature:
+85 °C
Pin Count:
128
RoHs Compliant
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The Microchip LAN9311I-NZW is a high-performance, small-footprint 2-port managed Ethernet switch IC designed for demanding industrial networking applications. This integrated circuit combines a high-speed switch fabric, packet buffers, and dual 10/100 PHYs into a single 128-pin XVTQFP package. It supports advanced features such as VLAN, QoS, and rate limiting, ensuring reliable data transmission in complex systems. Engineered for industrial-grade temperatures, the device provides a robust communication bridge for 16-bit embedded CPUs, simplifying network integration for developers and engineers.

Why Should You Buy the Microchip LAN9311I-NZW Ethernet Switch IC?

The Microchip Ethernet switch IC is a vital choice for designers requiring stable 10/100 Ethernet connectivity. Its integrated IEEE 1588 hardware timestamping and low power consumption make it perfect for precision-timing applications, offering superior reliability in harsh industrial environments where data integrity is non-negotiable.

Feature Highlights & Application Areas of the LAN9311I-NZW

  • Managed Switching: Full support for VLAN (802.1Q), Quality of Service (QoS), and rate limiting.
  • Integrated PHYs: Features two internal 10/100 PHYs with HP Auto-MDIX for seamless cable connectivity.
  • Industrial Temperature Range: Operates reliably in extreme environments from -40°C to +85°C.
  • Time Synchronisation: Includes a dedicated IEEE 1588 hardware unit for precise network timing.

Application Areas: Critical for factory automation, industrial IoT devices, automotive networking, and medical equipment.

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Datasheet(Technical Reference)
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LAN9311/LAN9311i Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CP(Technical Reference)

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FAQs

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