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Microchip 128-Pin QFP Controller IC 3.3 V 100 Mbps ISA Full Duplex LAN91C111-NS
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 3.4mm |
| Length | 20mm |
| Model | LAN91C111-NS |
| Width | 14mm |
| Mount Type | Surface |
| Maximum Operating Temperature | 70°C |
| Package Type | QFP |
| Minimum Operating Temperature | 0°C |
| Communication Mode | Full Duplex |
| Interface Type | ISA |
| Pin Count | 128 |
| Maximum Supply Voltage | 3.3V |
| Supply Current | 140mA |
| Maximum Data Rate | 100Mbps |
| Loopback Mode | Internal |
| Standard Supported | IEEE 802.3u, IEEE 802.3 |
Key Features
- This controller IC supports IEEE 802.3u and IEEE 802.3 standards ensuring reliable Ethernet communication.
- The device features an internal loopback mode for self-testing and diagnostics.
- Designed for surface mount with a 128-pin QFP package type.
- Operating voltage is strictly 3.3 V with a supply current of 140 mA for efficient power usage.
- Operating temperature range spans from 0°C to 70°C suitable for standard industrial environments.
- Compact dimensions of 20 mm length, 14 mm width, and 3.4 mm height enable integration into compact electronics.
- No automotive standard compliance is specified for this part.
Product Description
Microchip LAN91C111-NS is a 128-pin QFP-packaged Controller Integrated Circuit specifically designed for Ethernet networking applications. Operated at a fixed 3.3 V supply voltage, it supports a maximum data rate of 100 Mbps via the ISA communication interface, enabling reliable full duplex data transmission essential for efficient network controller operations.
This Ethernet controller is fully compliant with IEEE 802.3u and IEEE 802.3 standards, ensuring interoperability across industry-standard Ethernet equipment. The built-in internal loopback mode facilitates easy diagnostics and testing during manufacturing and maintenance.
Designed for surface mount assembly, the LAN91C111-NS features a 128-pin QFP package, balancing high pin count for functionality with a compact footprint measuring 20 mm by 14 mm by 3.4 mm, suitable for dense PCB layouts in industrial and commercial electronic equipment.
The controller operates within a temperature range of 0°C to 70°C, supporting use in typical industrial environments but without specific automotive-grade certifications. It draws a supply current of 140 mA at 3.3 V supply, offering an efficient solution for Ethernet controller IC needs.
This controller IC supports IEEE 802.3u and IEEE 802.3 Ethernet standards. Internal loopback mode allows self-test diagnostics. Surface mount package with 128-pin QFP layout. Operates at a stable 3.3 V voltage and 140 mA current consumption.
Temperature tolerance from 0°C to 70°C for industrial applications. Compact dimensions ideal for space-limited electronic designs. No automotive standard certification.
Ideal for use in industrial automation, networking equipment, and embedded Ethernet controller circuits, the Microchip LAN91C111-NS delivers robust performance and standards compliance. This product facilitates enhanced communication capabilities in industrial and commercial electronics.
Explore more Ethernet controller ICs and Microchip semiconductor products in the Electronics & Electricals category on EnvMart for reliable industrial electronics sourcing.
Explore more products in our Ethernet Interface Ics category.
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Frequently Asked Questions
This model supports a maximum data rate of 100 Mbps, enabling efficient full duplex data transmission for Ethernet networking applications.
The LAN91C111-NS operates at a fixed supply voltage of 3.3 V and draws a supply current of 140 mA.
This unit can operate within a temperature range of 0°C to 70°C, making it suitable for standard industrial environments.
It is compliant with IEEE 802.3u and IEEE 802.3 standards, ensuring interoperability with other Ethernet equipment.
The LAN91C111-NS comes in a 128-pin QFP package type, designed for surface mount assembly.
Yes, it includes an internal loopback mode for self-testing and diagnostics, facilitating easier maintenance and manufacturing checks.
This model has compact dimensions of 20 mm in length, 14 mm in width, and 3.4 mm in height, suitable for space-limited applications.
It utilizes the ISA communication interface, which is essential for its operation as an Ethernet controller.
No, the LAN91C111-NS does not have specified automotive standard compliance.
This controller IC is manufactured in India.
It is ideal for use in industrial automation, networking equipment, and embedded Ethernet controller circuits.
This model is designed for surface mount assembly, accommodating dense PCB layouts.
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