LAN9355

Microchip's LAN9355/LAN9355i is a high-performance, small-footprint, full-featured 3-port managed Ethernet switch. This device is application-optimized for consumer, embedded and Industrial electronic designs which require a highly integrated, cost effective device with switching functionality, flexibility and ease of integration.
Featuring the industry's smallest form factor 3-port switch, the LAN9355/9355i supports compact PCB design and MII/RMII/Turbo MII (Media Independent, Reduced Media Independent and Turbo Media Independent Interfaces). This device supports Turbo MII mode to accomplish network speeds up to 200 Mbps. The virtual PHY feature mimics a single PHY connection through the MII/RMII/Turbo MII interface to the host SoC, which can reduce software development time. This feature also allows system designers to swap the single PHY and Ethernet switch to create multiple SKUs from the same software driver.

IEEE 1588v2 is supported via the integrated IEEE 1588v2 hardware time stamp unit, which supports end-to-end and peer-to-peer transparent  clocks. The LAN9354 complies with the IEEE 802.3 (full/half-duplex 10BASE-T and 100BASE-TX) Ethernet protocol, IEEE 802.3az Energy Efficient Ethernet (EEE) (100Mbps only), and 802.1D/802.1Q network management protocol specifications, enabling compatibility with industry standard Ethernet and Fast Ethernet applications. 100BASE-FX is
supported via an external fiber transceiver.

The LAN9355/9355i switch combines all of the functions of a 10/100 system, including the switch fabric, packet buffers, buffer management, MACs, PHY transceivers and optional serial management functions. Both devices comply with IEEE 802.3 10BASE-T and 100BASE-TX Ethernet protocol specifications, enabling compatibility with industry standard Ethernet and Fast Ethernet applications. Supports Fiber Interface through SFP and SFF Physical medium

Microchip's complimentary and confidential LANCheck® online design review service is available for customers who have selected our products for their application design-in*.

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

Features
  • IEEE 1588-2008 hardware time stamping unit
  • IEEE 802.3az Energy Efficient Ethernet
  • Wake On LAN
  • Cable Diagnostics
  • High-performance, full-featured 3-port switches with per-port IEEE 802.1Q VLAN support (up to 16 VLAN groups) test
  • 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 softwar 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
  • Supports Fiber Interface through SFP and SFF Physical medium
  • Industrial temperature (-40° to 85°C) options available (LAN9353i)
  • LAN9355: 12x12mm, 88-pin QFN package for dual MII/RMII/Turbo MII
  • LAN9355: 12x12mm, 80-pin VTQFP-EP package for dual MII/RMII/Turbo MII
  • Cable, Satellite, and IP Set-top Boxes (STBs)
  • Digital Televisions (DTVs)
  • Digital/Personal Video Recorders (DVRs/PVRs)
  • VoIP/Video Phone Systems
  • Home Gateways/Consumer Audio/Video
  • Security and Surveillance
  • Building Automation
  • Test/Measurement Equipment
  • Industrial Automation and Control
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
# Ethernet Ports 3 3
Interface MII/RMII/Turbo MII MII/RMII/Turbo MII
I/O Pins 6 6
IEEE 1588 Yes Yes
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
# of Ether Ports 3 3
Fiber Support 100FX(2) 100FX(2)
Supply Voltage (V) 3.3 3.3
Vdd I/O (V) 1.8/2.5/3.3 1.8/2.5/3.3
LinkMD Cable Diag Yes Yes
WOL Yes Yes
Documents
LAN9355 3-Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MIIData Sheets07/02/20152818KB
AN1900 - Transformerless Applications of Microchip's Ethernet Controller, Switch and EtherCAT ControllerAppNote06/24/2016325KB
AN2157 - Transient Protection in Power Over Ethernet ApplicationsAppNote05/24/2016229KB
AN8.13 - Suggested MagneticsAppNote06/28/2011240KB
LAN9355 IBIS Models for QFN88IBIS07/09/20151932KB
LAN9355 IBIS Models for TQFP80-EPIBIS07/01/20151931KB
EVB-LAN9355-Evaluation board BOMBOM07/01/201535KB
LAN9355 Placement ChecklistDesign Checklist05/03/201647KB
LAN9355 Routing ChecklistDesign Checklist05/03/201641KB
LAN9355 Schematic ChecklistDesign Checklist05/03/2016354KB
EVB-LAN9355-Evaluation board Gerber FilesGerber Files07/01/2015312KB
EVB-LAN9355-Evaluation board SchematicsSchematics07/01/2015192KB
EVB-LAN9355-Evaluation board Schematics. DSNSchematics07/01/20151661KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
LAN9355/ML88VQFN0C to +70CTRAY6.325.274.794.424.20
LAN9355/PT80TQFP0C to +70CTRAY6.955.795.274.874.62
LAN9355I/ML88VQFN-40C to +85CTRAY6.645.535.034.654.41
LAN9355I/PT80TQFP-40C to +85CTRAY7.306.085.535.114.85
LAN9355T/ML88VQFN0C to +70CT/R6.415.354.864.494.26
LAN9355T/PT80TQFP0C to +70CT/R7.055.875.344.934.68
LAN9355TI/ML88VQFN-40C to +85CT/R6.735.615.104.714.47
LAN9355TI/PT80TQFP-40C to +85CT/R7.406.175.615.184.91
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
LAN9355/PT1.74789980TQFP12x12x1.0mmMatte Tine3
LAN9355T/PT0.96916780TQFP12x12x1.0mmMatte Tine3
LAN9355I/PT1.74789980TQFP12x12x1.0mmMatte Tine3
LAN9355TI/PT0.96916780TQFP12x12x1.0mmMatte Tine3
LAN9355/ML0.94230888VQFN12x12x0.9mmMatte Tine3
LAN9355T/ML0.00000088VQFN12x12x0.9mmMatte Tine3
LAN9355I/ML0.94230888VQFN12x12x0.9mmMatte Tine3
LAN9355TI/ML0.00000088VQFN12x12x0.9mmMatte Tine3
LAN9355 3-Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII LAN9355
AN1900 LAN9355
AN2157 LAN9355
AN8.13 LAN9355
LAN9355 Placement Checklist LAN9355
LAN9355 Routing Checklist LAN9355
LAN9355 Schematic Checklist LAN9355
EVB-LAN9355-Evaluation board Gerber Files EVB-LAN9355
EVB-LAN9355-Evaluation board Schematics EVB-LAN9355
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