Microchip LAN9303-ABZJ Ethernet Switch, MII/RMII, 10 Mbps, 100 Mbps 3.3 V, 56-Pin QFN

  • RS Stock No. 716-0446
  • Mfr. Part No. LAN9303-ABZJ
  • Manufacturer Microchip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

LAN9303 10/100 Ethernet Switches

The LAN9303 from Microchip is a 3-port 10/100 managed Ethernet Switch in a small footprint QFN package, featuring a MII/RMII/Turbo MII interface that allows network speeds of up to 200Mbps.


Full-featured 3-port Switches with per-port IEEE 802.1Q VLAN support (up to 16 VLAN groups)
±8kV/15kV per-port ESD protection
IGMP v1/v2 monitoring for multicast packet filtering
Up to 200 Mbps network speed via a Turbo MII interface
Optional EEPROM or external CPU serial management support via an I2C™ interface
Virtual PHY feature simplifies software development by mimicking multiple switch ports as a single-port PHY
Integrated regulators require a single 3.3V supply
42 per-port MIB counters for efficient network management


Ethernet Communications - Microchip

Attribute Value
PHY/Transceiver Interface MII/RMII
Typical Data Rate 10 Mbps, 100 Mbps
Number of Ports 3
VLAN Support Yes
Integrated LED Drivers No
Power Supply Type Single
Typical Operating Supply Voltage 3.3 V
Mounting Type Surface Mount
Package Type QFN
Pin Count 56
Dimensions 8 x 8 x 0.95mm
Height 0.95mm
Length 8mm
Width 8mm
Minimum Operating Temperature 0 °C
Maximum Operating Temperature +70 °C
5 In Global stock for delivery within 4 - 6 working days
Price Each
MYR 26.03
Per unit
1 - 4
5 - 19
20 - 49
50 - 99
100 +
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