LAN9303 / LAN9303i

Adapts or transmits signals between devices.

Tutorial / documentation

Communication

Quick documentation & first test preparation

  1. Identify component LAN9303 and its package.
  2. Identify the protocol, logic levels and each pin’s function.
  3. Check required termination and pull-up/pull-down resistors.
  4. Consult the application circuit in the linked documentation before testing.

LAN9303

3-port managed Ethernet switch with dual PHY and RMII interface, QFN-56

  • 3-port managed Ethernet switch with dual PHY and RMII interface, QFN-56
  • Identify the protocol, logic levels and each pin’s function.
  • Check required termination and pull-up/pull-down resistors.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

LAN9303i

3-port managed Ethernet switch with dual PHY and RMII interface, QFN-56, industrial version

  • 3-port managed Ethernet switch with dual PHY and RMII interface, QFN-56, industrial version
  • Identify the protocol, logic levels and each pin’s function.
  • Check required termination and pull-up/pull-down resistors.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation