LAN91C111I-NU: Features, Specs & More
When it comes to efficient and reliable Ethernet communication, Microchip Technology's LAN91C111I-NU stands out as a versatile, all-in-one controller. Whether you're developing industrial automation, embedded systems, or smart networking solutions, this controller ensures seamless data transfer across 10/100Mbps networks. In this comprehensive article, we'll delve into the intricacies of the LAN91C111I-NU, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
LAN91C111I-NU's Overview
The LAN91C111I-NU is a single-chip Ethernet controller that integrates both MAC (Media Access Control) and PHY (Physical Layer) functions. Designed for embedded applications, it supports 10BASE-T and 100BASE-TX networking, offering both ISA and EISA host interfaces. Built using CMOS process technology, it strikes an ideal balance between power efficiency and network performance.
Key Features
Let's delve into the standout features that make the LAN91C111I-NU a standout in the world of electronics:
· Supports both 10Mbps and 100Mbps Ethernet speeds
· Complies with IEEE 802.3 and 802.3u standards
· Operates with a 3.3V supply voltage for low power consumption
· Supports both Full Duplex and Half Duplex communication modes
· Equipped with internal loopback mode for system diagnostics
· Offers DMA support to reduce CPU overhead
· Features auto-negotiation for dynamic speed selection
· Uses the MII (Media Independent Interface) for network communication
· Packaged in a 128-pin TQFP (Thin Quad Flat Package) for compact PCB integration
· Designed for industrial temperature ranges from -40°C to +85°C
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the LAN91C111I-NU:
Type | Parameter |
Product Category | Single Chip |
Physical Network Type | 100BASE-T|100BASE-T4|100BASE-TX|10BASE-T |
Ethernet Speed (MBps) | 10|100 |
Standard Supported | IEEE 802.3|IEEE 802.3u |
Process Technology | CMOS |
Communication Mode | Full Duplex|Half Duplex |
Host Interface | EISA|ISA |
Ethernet Interface Type | MII |
Minimum Operating Supply Voltage (V) | 3.135 |
Typical Operating Supply Voltage (V) | 3.3 |
Maximum Operating Supply Voltage (V) | 3.465 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 85 |
Supplier Temperature Grade | Industrial |
Loopback Mode | Internal |
DMA Support | Yes |
Auto-Negotiation | Yes |
Packaging | Tray |
Mounting | Surface Mount |
Package Height | 1 |
Package Width | 14 |
Package Length | 14 |
PCB changed | 128 |
Standard Package Name | QFP |
Supplier Package | TQFP |
Pin Count | 128 |
Lead Shape | Gull-wing |
Applications
The LAN91C111I-NU is ideal for a wide range of embedded and industrial networking environments. Common use cases include:
· Industrial Automation Controllers
· Networked Embedded Systems
· Point-of-Sale (POS) Terminals
· Remote Monitoring Systems
· Data Acquisition Devices
· IoT Gateways and Hubs
LAN91C111I-NU's Manufacturer
Microchip Technology, a global leader in the semiconductor industry, stands at the forefront of innovation, consistently pushing the boundaries of technology to create solutions that power the interconnected world. With a rich history dating back to 1989, Microchip has become synonymous with cutting-edge microcontroller and analog products. Renowned for its commitment to quality, reliability, and customer satisfaction, the company offers a comprehensive portfolio of integrated circuits and embedded solutions. Microchip's diverse range of products caters to a wide array of industries, including automotive, industrial, consumer electronics, and healthcare.
Conclusion
In today's connected world, network performance and reliability can't be compromised. It simplifies system architecture by combining MAC and PHY in one chip, saves board space with its TQFP package, and ensures network reliability even in extreme temperatures. The LAN91C111I-NU from Microchip Technology delivers on both fronts—offering fast Ethernet speeds, low power consumption, and industrial durability.
