LAN91C111-NU
- Mfr.Part #
- LAN91C111-NU
- Manufacturer
- Microchip Technology
- Package / Case
- 128-TQFP
- Datasheet
- Download
- Description
- IC ETHERNET CTLR MAC PHY 128TQFP
- Stock
- 1,536
- In Stock :
- 1,536
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- Manufacturer :
- Microchip Technology
- Product Category :
- Controllers
- Standard :
- 10BASE-T, 100BASE-TX
- Packaging :
- Tray
- Physical Network Type :
- 100BaseT, 100BaseT4, 100BaseTX, 10BaseT
- Supply Voltage :
- 3.3V
- Number of Serial I/Os :
- 4
- Number of Terminals :
- 128
- Simplex/Duplex :
- Full Duplex
- Typical Operating Supply Voltage :
- 3.3 V
- Operating Temperature Classification :
- COMMERCIAL
- Seated Height-Max :
- 1.2 mm
- Number of Channels :
- 1
- Interface Type :
- MII
- Operating Temperature :
- 0°C~70°C
- Pbfree Code :
- yes
- Category :
- Single Chip
- Data Rate :
- 100 Mbps
- Voltage - Supply :
- 3.3V
- REACH SVHC :
- No SVHC
- Boundary Scan :
- No
- Series :
- --
- Published :
- 2011
- Max Supply Current :
- 140mA
- Lead Free :
- Lead Free
- Standards :
- 10/100 Base-T/TX PHY
- Width :
- 14mm
- Base Part Number :
- LAN91C111
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Product Type :
- Ethernet ICs
- Supplier Package :
- TQFP
- uPs/uCs/Peripheral ICs Type :
- SERIAL IO/COMMUNICATION CONTROLLER, LAN
- Rad Hardened :
- No
- Mount :
- Surface Mount
- Package Type :
- TQFP
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Host Interface :
- EISA/ISA
- MSL :
- -
- Mounting Type :
- Surface Mount
- Brand :
- Microchip Technology / Atmel
- Mounting :
- Surface Mount
- Function :
- Controller
- Reach Compliance Code :
- Compliant
- Supply Current-Max :
- 140 mA
- Operating Supply Voltage (Typ) :
- 3.3 V
- Communication Mode :
- Full Duplex/Half Duplex
- Qualification Status :
- Not Qualified
- Data Transfer Rate-Max :
- 12.5 MBps
- RoHS :
- Details
- Data Encoding/Decoding Method :
- NRZ; BIPH-LEVEL(MANCHESTER)
- Base Product Number :
- LAN91C111
- JESD-609 Code :
- e3
- Weight :
- 503.487531mg
- Low Power Mode :
- yes
- Package / Case :
- 128-TQFP
- Terminal Form :
- Gull wing
- Number of Transceivers :
- 1 Transceiver
- Product Category :
- Ethernet ICs
- Contact Plating :
- Tin
- Product Status :
- Active
- RoHS Status :
- ROHS3 Compliant
- DMA Support :
- yes
- Radiation Hardening :
- No
- Current - Supply :
- --
- Address Bus Width :
- 15
- Product :
- Ethernet Controllers
- Dimensions :
- 14 x 14 x 1mm
- Terminal Pitch :
- 0.4mm
- Minimum Operating Temperature :
- 0 °C
- Supplier Device Package :
- 128-TQFP (14x14)
- Temperature Grade :
- COMMERCIAL
- Loopback Mode :
- Internal
- Package Shape :
- Square
- External Data Bus Width :
- 32
- Maximum Operating Temperature :
- +70 °C
- Length :
- 14mm
- Termination :
- SMD/SMT
- Subcategory :
- Communication and Networking ICs
- Factory Lead Time :
- 9 Weeks
- Bus Compatibility :
- ARM; SH; POWERPC; COLDFIRE; 680X0; 683XX; MIPS R3000
- Protocol :
- Ethernet
- Mounting Style :
- SMD/SMT
- Nominal Supply Current :
- 100mA
- Package :
- Tray
- Pin Count :
- 128
- Auto-Negotiation :
- yes
- Terminal Position :
- QUAD
- Operating Supply Voltage (Min) :
- 3.135 V
- Interface :
- Parallel
- Standard Supported :
- IEEE 802.3/IEEE 802.3u
- Manufacturer :
- Microchip
- Operating Supply Voltage :
- 3.3V
- JESD-30 Code :
- S-PQFP-G128
- Supply Voltage-Max (Vsup) :
- 3.63V
- Surface Mount :
- yes
- Operating Supply Voltage (Max) :
- 3.465 V
- Number of Pins :
- 128
- Height :
- 1.2mm
- Screening Level :
- COMMERCIAL
- Communication Protocol :
- SYNC, BYTE; ETHERNET
- HTS Code :
- 8542.31.00.01
- Number of Terminations :
- 128
- Datasheets
- LAN91C111-NU
LAN91C111-NU Documents

Controllers Microchip Technology LAN91C111-NU Overview
The LAN91C111-NU by Microchip Technology stands out as a robust Integrated Circuit (IC) Ethernet controller that combines both MAC and PHY functionalities into a single 128TQFP package. This design makes it an ideal solution for streamlining product development, reducing costs, and improving overall system reliability. As Ethernet networking continues to be pivotal in enabling interconnected systems, the LAN91C111-NU delivers high performance and easy integration, making it a top choice for developers looking to implement network communication in a variety of applications. Its comprehensive feature set supports fast and reliable data transmission, critical for today's high-demand network environments.
LAN91C111-NU Features
This Ethernet controller is packed with features designed for a wide range of networking applications, ensuring compatibility and efficiency. Key features include an integrated 10/100 Ethernet MAC and PHY for high-speed data processing, a 128-pin TQFP package that fits well in compact system designs, and support for full and half-duplex modes. Additionally, its low-power consumption and wide operating temperature range make it suitable for harsh environments.
LAN91C111-NU Applications
- Industrial Automation: In environments like factories and processing plants, the LAN91C111-NU facilitates robust, real-time communication between machinery and control systems, ensuring efficient operation and monitoring.
- Embedded Networking: Ideal for integration into embedded systems, this controller allows devices like medical equipment, kiosks, and educational tools to connect and communicate data seamlessly over a network.
- Consumer Electronics: Utilized in smart home devices and other consumer electronics, the LAN91C111-NU supports fast and reliable connectivity features required for modern IoT solutions.
- Automotive Applications: This IC can be integrated into automotive systems, providing network connectivity solutions that enhance vehicle diagnostics and infotainment systems.
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