LAN9311-NU
- Mfr.Part #
- LAN9311-NU
- Manufacturer
- Microchip Technology
- Package / Case
- 128-TQFP
- Datasheet
- Download
- Description
- IC ETHER SW 2PRT 16BIT 128-VTQFP
- Stock
- 89
- In Stock :
- 89
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- Manufacturer :
- Microchip Technology
- Product Category :
- Controllers
- JESD-609 Code :
- e3
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Product Type :
- Ethernet ICs
- Number of Ports :
- 2
- JTAG Support :
- No
- Supply Voltage :
- 3.3V
- Operating Supply Voltage :
- 3.3V
- Factory Lead Time :
- 11 Weeks
- Standard :
- 10BASE-T, 100BASE-TX
- Peak Reflow Temperature (Cel) :
- 260
- Protocol :
- Ethernet
- Height :
- 1mm
- Surface Mount :
- yes
- Mount :
- Surface Mount
- Internal Memory Buffer Size :
- 32 kb
- Terminal Form :
- Gull wing
- Supplier Package :
- VTQFP
- Package :
- Tray
- Series :
- --
- Operating Supply Current :
- 255mA
- Max Supply Current :
- 295mA
- Qualification Status :
- Not Qualified
- Length :
- 14mm
- Mounting :
- Surface Mount
- Standards :
- 10/100 Base-T/TX PHY
- Package / Case :
- 128-TQFP
- Base Part Number :
- LAN9311
- Reach Compliance Code :
- Compliant
- Number of Pins :
- 128
- RoHS :
- Details
- Number of Terminations :
- 128
- Function :
- Switch
- PHY/Transceiver Interface :
- MII
- Power Supply Type :
- Analog
- Duplex :
- Full Duplex, Half Duplex
- Voltage - Supply :
- 3.3V
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Number of Terminals :
- 128
- Supply Current-Max :
- 0.295 mA
- MSL :
- MSL 3 - 168 hours
- JESD-30 Code :
- S-PQFP-G128
- Contact Plating :
- Tin
- Operating Temperature :
- 0°C~70°C
- Width :
- 14mm
- Supplier Device Package :
- 128-VTQFP (14x14)
- Minimum Operating Temperature :
- 0 C
- Package Shape :
- Square
- Telecom IC Type :
- LAN SWITCHING CIRCUIT
- Manufacturer :
- Microchip
- Packaging :
- Tray
- RoHS Status :
- ROHS3 Compliant
- Product Category :
- Ethernet ICs
- Pin Count :
- 128
- HTS Code :
- 8542.39.00.01
- Base Product Number :
- LAN9311
- Number of Functions :
- 1
- Max Power Dissipation :
- 1.07W
- Data Rate :
- 100 Mbps
- Terminal Pitch :
- 0.4mm
- Temperature Grade :
- COMMERCIAL
- Product :
- Ethernet Switches
- Radiation Hardening :
- No
- Current - Supply :
- 255mA
- Product Status :
- Active
- Power Supplies :
- 3.3/3.6V
- Maximum Data Rate :
- 100 Mbps
- Number of Primary Switch Ports :
- 2
- Seated Height-Max :
- 1.2 mm
- Number of Transceivers :
- 1
- Time@Peak Reflow Temperature-Max (s) :
- 40
- REACH SVHC :
- No SVHC
- Maximum Operating Temperature :
- + 70 C
- Terminal Position :
- QUAD
- Mounting Style :
- SMD/SMT
- Interface Type :
- I2C
- Published :
- 2015
- Interface :
- I2C
- Brand :
- Microchip Technology
- Datasheets
- LAN9311-NU
LAN9311-NU Documents

Controllers Microchip Technology LAN9311-NU Overview
The LAN9311-NU from Microchip Technology is a state-of-the-art integrated circuit, specifically designed for Ethernet switching applications. This IC facilitates efficient handling of network traffic across two ports with a 16-bit interface, making it an ideal solution for embedded systems that require network connectivity and minimal power consumption. The compact 128-VTQFP package of the LAN9311-NU ensures that it can be integrated into systems where space is at a premium, while still providing robust performance and reliability. This product is particularly suitable for businesses looking to deploy scalable networked devices in volume, offering a perfect blend of performance and compactness.
LAN9311-NU Features
The LAN9311-NU includes several features that make it an advantageous choice for network management applications. These include support for auto-negotiation, allowing the device to automatically select the best network speed and communication mode. It also supports full and half-duplex operations, providing flexibility in connection types based on network architecture requirements. Furthermore, the integration of a 16-bit interface facilitates seamless connection with most microcontrollers, enhancing its usability in a wide range of applications.
LAN9311-NU Applications
- Industrial Automation: This IC can be used in factory automation systems to link various sensors and actuators to the central controller, enhancing operational efficiency and real-time data processing.
- Home Networking Devices: Ideal for use in home routers and switches, providing reliable connectivity and network management to handle multiple device connections within the home.
- Embedded Systems: Suitable for integration in embedded systems requiring network functions, such as vending machines and kiosks, offering network capabilities for remote management and monitoring.
- Automotive Networking: Can be employed in automotive applications for vehicle to everything (V2X) communications, ensuring robust data exchange between the vehicle and roadside infrastructure.
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