LAN9352

Microchip's LAN9352/LAN9352i is a high-performance, small-footprint, full-featured 2-port managed Ethernet switch. This device is application-optimized for consumer, embedded and Industrial designs which require a highly integrated, cost effective device with switching functionality, flexibility and ease of integration.
Featuring a small form factor 2-port switch, the LAN9352/9352i supports compact PCB design and with 2 Integrated PHY's .  LAN9352 extends the definition of the LAN9353 by replacing the Port 0 MII/RMII/Turbo MII interface with a full featured Ethernet MAC accessible through a high-performance host bus or SPI/
SQI Interface .The Host MAC incorporates the essential protocol requirements for operating an Ethernet/IEEE 802.3-compliant node and provides an interface between the Host Bus Interface (HBI) and the Ethernet PHYs and Switch Fabric. The device communicates with the microcontroller through an SRAM-like slave interface. The simple, yet highly functional host bus interface provides a glue-less connection to most common 8 or 16-bit microprocessors and microcontrollers as well as 32-bit microprocessors with an 8 or 16-bit external bus. Alternatively, the device can be accessed via SPI/SQI . The Host MAC interfaces with the 10/100 Ethernet PHY’s (Virtual PHY, Port 1 PHY, Port 2 PHY) via an internal SMI (Serial Management Interface) bus .

IEEE 1588-2008 is supported via the integrated IEEE 1588-2008 hardware time stamp unit, which supports end-to-end and peer-to-peer transparent clocks. The LAN9352 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 LAN9352/9352i 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 versions of the device 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 2-port switch with per-port IEEE 802.1Q VLAN support (up to 16 VLAN groups)
  • IGMP v1/v2 monitoring for multicast packet filtering
  • 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 1.2V regulator for a single 3.3V supply
  • Supports Fiber Interface through SFP and SFF Physical medium
  • 42 per-port MIB counters for efficient network management
  • Industrial temperature (-40° to 85°C) options available (LAN9352i)
  • LAN9352: 10x10mm, 0.5mm pitch 72-pin SQFN package
  • LAN9352: 12x12mm, 0.5mm pitch 80-pin TQFP-EP package
  • Cable, Satellite, and IP Set-top Boxes (STBs)
  • Digital Televisions (DTVs)
  • Digital/Personal Video Recorders (DVRs/PVRs)
  • VoIP/Video Phone Systems
  • Building Automation
  • Security and Surveillance
  • Home Gateways/Consumer Audio/Video
  • Test/Measurement Equipment
  • Industrial Automation and Control
Parameter
Parameter Name Value Value
Description 10/100 2-port Managed Ethernet Switches 10/100 2-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 2 2
Interface HBI SPI/SQI HBI SPI/SQI
I/O Pins 8 8
IEEE 1588 Yes Yes
Temp. Range Min. (°C) -40 -40
Temp. Range Max. (°C) 85 85
# of Ports 2 2
Host Interface 16-bit Non-PCI & SPI/SQI 16-bit Non-PCI & SPI/SQI
# of Ether Ports 2 2
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
LAN9352 2-Port 10/100 Managed Ethernet Switch with 8/16-Bit Non-PCI CPU InterfacData Sheets07/09/20153120KB
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
LAN9352 IBIS Models for QFN72IBIS08/15/20151930KB
LAN9352 IBIS Models for TQFP80-EPIBIS08/15/20151931KB
EVB-LAN9352 Evaluation board BOMBOM08/15/201517KB
EVB-LAN9352 Evaluation board Gerbers FilesGerber Files08/15/2015289KB
EVB-LAN9352 Evaluation board SchematicsSchematics08/15/2015240KB
EVB-LAN9352 Evaluation board Schematics, DSNSchematics08/15/20152778KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
LAN9352/ML72VQFN0C to +70CTRAY10.178.487.717.126.75
LAN9352/PT80TQFP0C to +70CTRAY11.199.328.487.837.43
LAN9352I/ML72VQFN-40C to +85CTRAY11.199.328.487.837.43
LAN9352I/PT80TQFP-40C to +85CTRAY12.3110.269.328.618.17
LAN9352T/ML72VQFN0C to +70CT/R10.268.557.787.186.81
LAN9352T/PT80TQFP0C to +70CT/R11.289.408.557.907.49
LAN9352TI/ML72VQFN-40C to +85CT/R11.299.418.557.907.50
LAN9352TI/PT80TQFP-40C to +85CT/R12.4110.349.408.698.24
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
LAN9352/ML0.3410000.00000072VQFN10x10x0.9mmMatte Tine3
LAN9352I/ML0.3410000.00000072VQFN10x10x0.9mmMatte Tine3
LAN9352T/ML0.3410000.50466772VQFN10x10x0.9mmMatte Tine3
LAN9352TI/ML0.3410000.50466772VQFN10x10x0.9mmMatte Tine3
LAN9352/PT1.74789980TQFP12x12x1.0mmMatte Tine3
LAN9352T/PT0.96916780TQFP12x12x1.0mmMatte Tine3
LAN9352I/PT1.74789980TQFP12x12x1.0mmMatte Tine3
LAN9352TI/PT0.96916780TQFP12x12x1.0mmMatte Tine3
LAN9352 2-Port 10/100 Managed Ethernet Switch with 8/16-Bit Non-PCI CPU Interfac LAN9352
AN1900 LAN9355
AN2157 LAN9353
AN8.13 LAN9354
EVB-LAN9352 Evaluation board Gerbers Files EVB-LAN9352
EVB-LAN9352 Evaluation board Schematics EVB-LAN9352
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