LAN9420I-NU
- Mfr.Part #
- LAN9420I-NU
- Manufacturer
- Microchip Technology
- Package / Case
- 128-TQFP
- Datasheet
- Download
- Description
- IC ETHERNET CTRLR SGL 128VTQFP
- Stock
- 1
- In Stock :
- 1
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- Manufacturer :
- Microchip Technology
- Product Category :
- Controllers
- JESD-30 Code :
- S-PQFP-G128
- Supply Voltage-Max (Vsup) :
- 3.6V
- Boundary Scan :
- No
- MSL :
- MSL 3 - 168 hours
- Clock Frequency :
- 25MHz
- Number of Transceivers :
- 1
- Communication Protocol :
- SYNC, SDLC
- Pin Count :
- 128
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 128
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- JESD-609 Code :
- e3
- Manufacturer :
- Microchip
- Number of Terminals :
- 128
- Terminal Position :
- QUAD
- Package / Case :
- 128-TQFP
- Operating Supply Current :
- 125mA
- Data Rate :
- 100 Mbps
- Subcategory :
- Communication and Networking ICs
- Series :
- --
- Brand :
- Microchip Technology / Atmel
- Maximum Operating Temperature :
- +85 °C
- Package Shape :
- Square
- Loopback Mode :
- Internal
- Interface :
- PCI
- Surface Mount :
- yes
- Base Product Number :
- LAN9420
- Supplier Package :
- VTQFP
- Height :
- 1.05mm
- Data Encoding/Decoding Method :
- NRZI; BIPH-LEVEL(MANCHESTER)
- Mounting Type :
- Surface Mount
- Lead Free :
- Lead Free
- HTS Code :
- 8542.31.00.01
- Mounting :
- Surface Mount
- Supply Voltage :
- 3.3V
- Number of Pins :
- 128
- Standard Supported :
- IEEE 802.3/IEEE 802.3u
- Package Type :
- TQFP
- Radiation Hardening :
- No
- Seated Height-Max :
- 1.2 mm
- Standard :
- 10BASE-T, 100BASE-TX
- Minimum Operating Temperature :
- -40 °C
- Function :
- Controller
- Screening Level :
- Industrial
- Mount :
- Surface Mount
- Current - Supply :
- 125mA
- Voltage - Supply :
- 3.3V
- Product Category :
- Ethernet ICs
- Interface Type :
- MDI-X, MII, PCI
- uPs/uCs/Peripheral ICs Type :
- SERIAL IO/COMMUNICATION CONTROLLER, LAN
- Product Type :
- Ethernet ICs
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Mounting Style :
- SMD/SMT
- Number of Serial I/Os :
- 3
- Base Part Number :
- LAN9420
- Host Interface :
- PCI
- Protocol :
- Ethernet
- Operating Supply Voltage :
- 3.3V
- REACH SVHC :
- No SVHC
- Width :
- 14.2mm
- Operating Temperature :
- -40°C~85°C
- Package :
- Tray
- Reach Compliance Code :
- Compliant
- RoHS :
- Details
- Physical Network Type :
- 100BaseTX, 10BaseT
- Factory Lead Time :
- 7 Weeks
- Peak Reflow Temperature (Cel) :
- 260
- Product Status :
- Active
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Communication Mode :
- Full Duplex, Half Duplex
- Standards :
- 10/100 Base-T/TX PHY
- Terminal Pitch :
- 0.4mm
- Temperature Grade :
- Industrial
- Dimensions :
- 14.2 x 14.2 x 1.05mm
- Qualification Status :
- Not Qualified
- Product :
- Ethernet Controllers
- Published :
- 2002
- Auto-Negotiation :
- yes
- DMA Support :
- yes
- Typical Operating Supply Voltage :
- 3.3 V
- Supplier Device Package :
- 128-VTQFP (14x14)
- Data Transfer Rate-Max :
- 12.5 MBps
- Bus Compatibility :
- PCI
- Low Power Mode :
- yes
- Terminal Form :
- Gull wing
- Length :
- 14.2mm
- Packaging :
- Tray
- Datasheets
- LAN9420I-NU
LAN9420I-NU Documents

Controllers Microchip Technology LAN9420I-NU Overview
The Controllers Microchip Technology LAN9420I-NU is a high-performance Ethernet controller that integrates seamlessly into network-enabled devices. Designed by Microchip Technology, this single-port Ethernet controller utilizes a 128-VTQFP package to provide a compact, yet robust network communication solution. The LAN9420I-NU is ideal for applications requiring reliable and efficient network connectivity. It is engineered to reduce overall system cost and complexity while improving the throughput and latency of network communications. This makes the LAN9420I-NU a preferred choice for manufacturers looking to integrate Ethernet functionality with minimal overhead and maximum reliability.
LAN9420I-NU Features
The LAN9420I-NU Ethernet controller includes several key features that enhance its performance and suitability for a wide range of applications. It supports full-duplex and half-duplex operations at speeds of 10/100 Mbps, which ensures compatibility with various network standards. Additionally, its integrated PHY and MAC support simplify design efforts and reduce external component requirements. Advanced features such as automatic MDI/MDIX crossover, extensive interrupt management, and support for multiple power management modes contribute to its flexibility and power efficiency.
LAN9420I-NU Applications
- Embedded Systems: Integrated in devices like industrial controllers and sensors to facilitate communication over a network, enhancing IoT connectivity and data exchange.
- Consumer Electronics: Used in smart home devices such as security cameras and home automation controllers, providing reliable network connectivity to enable remote monitoring and control.
- Automotive Applications: Deployed in vehicle diagnostic systems and infotainment units to allow network communication, ensuring real-time data transmission and updates.
- Industrial Automation: Applied in factory automation equipment, enabling these devices to connect to the industrial network for better coordination and efficiency in operations.
- Medical Equipment: Utilized in medical devices requiring network access to transmit patient data securely and reliably for remote monitoring and diagnostics.
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