LAN89303

The LAN89303 complies with the IEEE802.3 (full/half-duplex 10BASE-T and 100BASE-TX) Ethernet protocol specification and 802.1D/802.1Q network management protocol specifications, enabling compatibility with industry standard Ethernet and Fast Ethernet applications. The LAN89303’s performance, features and small size make it well-suited for a wide variety of automotive applications including diagnostics, gateway services, in-vehicle engineering development, among others.

Microchip also offers its complimentary and confidential LANCheck® online design review services free of charge to customers who select our products for their application design-in.*

*The service is subject to Microchip's and requires a myMicrochip account.

Features
  • Diagnostic interface for dealership service bay
  • Fast software download interface with an On-board Diagnostic (OBD) connector
  • Gateway service interface for dealership, aftermarket and repair shop
  • In-vehicle engineering development interface
  • Vehicle manufacturing test interface for production plant assembly line
  • Legislated emissions check and/or safety inspections
Parameter
Parameter Name Value Value
Description 10/100 3-port Managed Ethernet Switches 10/100 3-port Managed Ethernet Switches
Ethernet Bandwidth 10Base-T/ 100Base-TX 10Base-T/ 100Base-TX
MAC Yes Yes
PHY Yes Yes
TX/RX RAM Buffer(Bytes) 32K 32K
Interrupt Pin Yes Yes
LEDs 6 6
Op. Voltage (V) 3.3 3.3
# of Ethernet Ports Ethernet x3 Ethernet x3
Interface MII/RMII/Turbo MII MII/RMII/Turbo MII
I/O Pins 6 6
Temp. Range Min. (°C) -40 -40
Temp. Range Max. (°C) 85 85
# of Ports 3 3
Host Interface MII / RMII MII / RMII
Turbo MII Yes Yes
Documents
LAN89303AM - Three Port 10/100 Managed Ethernet Switch with MII/RMII for Autom.Data Sheets12/03/20142267KB
AN2157 - Transient Protection in Power Over Ethernet ApplicationsAppNote05/24/2016229KB
LAN89303 Sell SheetBrochures12/18/2013785KB
LAN89303 IBIS modelIBIS03/07/2012351KB
Design Guide, Ethernet Front End (Generic)Software Library08/24/20131KB
Design Guide, General ESD GuidelinesSoftware Library08/24/20131KB
Design Guide, General PCB Design GuidelinesSoftware Library08/24/20131KB
Schematic Design Guide, MAC-to-MAC MII InterfaceSoftware Library08/24/20131KB
Schematic Design Guide, Xtal Load Capacitance CalculationSoftware Library08/24/20131KB
LAN89303 56-pin QFN Package Component Placement ChecklistDesign Checklist09/23/2011136KB
LAN89303 56-pin QFN Package Routing ChecklistDesign Checklist09/23/201193KB
LAN89303 QFN Rev B Schematic ChecklistDesign Checklist03/28/2013265KB
LAN89303 Evaluation BoardGerber Files03/30/2011524KB
相关开发工具
LAN89303AM - Three Port 10/100 Managed Ethernet Switch with MII/RMII for Autom. LAN89303
AN2157 LAN9355
LAN89303 Sell Sheet LAN89303
LAN89303 56-pin QFN Package Component Placement Checklist LAN89303
LAN89303 56-pin QFN Package Routing Checklist LAN89303
LAN89303 QFN Rev B Schematic Checklist LAN89303
LAN89303 Evaluation Board LAN89303