Skip to main content

Link Layer Controllers

Link layer controller ICs manage data link layer protocols for network communication, handling framing, error detection, and flow control between physical and network layers.

Request Quote
5+Products
2+Manufacturers
100%Original & New
GlobalDelivery

Browse Link Layer Controllers Products

Showing 5 of 5 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
OS81118BFR-D2A-020400-V12Microchip TechnologyDescription: INIC 150MBPS MOST NETWORK1,135
OS81118BF-D2A-020400-V12Microchip TechnologyDescription: INIC 150MBPS MOST NETWORK1,795
OS81118AFR-D2A-020400-V11Microchip TechnologyDescription: INIC 150MBPS MOST NETWORK823
OS81118AF-D2A-020400-V11Microchip TechnologyDescription: INIC 150MBPS MOST NETWORK15,157
TSB12LV22PZTexas InstrumentsIEEE 1394 High-Performance Link-Layer ControllerIn Stock

About Link Layer Controllers

Link Layer Controller ICs are specialized communication hardware engines designed to manage the Data Link Layer (Layer 2 of the OSI model) protocols, interfacing between the physical transceiver layer (PHY) and the higher-level network software stack. By handling frame assembly, error detection and correction (CRC), flow control, and channel access arbitration, link layer controllers ensure reliable and error-free point-to-point or point-to-multipoint data transmission.

These devices are critical in specialized telecommunications, proprietary wireless networks, industrial fieldbuses, and high-reliability aerospace communication buses. Key selection parameters include supported protocol standards, data throughput capacity, host interface type (PCIe, SPI, or parallel), integrated packet buffer size, and compliance with operating temperatures in harsh environments.

Browse and compare link layer controllers on Octatronics from industry leaders including Microchip Technology, Texas Instruments, Analog Devices, and NXP. Check lifecycle status, package footprints, and submit your RFQ online.

Frequently Asked Questions

Octatronics can help source a wide range of Link Layer Controllers from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.

Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.

Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.

Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.

Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.

Articles & Technology

View All →

Top Semiconductor Companies in 2026: Manufacturers, Foundries, Fabless Firms and IDMs

NVIDIA led semiconductor vendor revenue in 2025, while TSMC dominated pure-play foundry sales. This guide explains why those rankings measure different things—and gives engineers and buyers a practical framework for selecting manufacturers by component category, lifecycle, qualification, and supply risk.

2026-08-11
Low-Pass vs High-Pass Filter: Differences, Circuits, Cutoff Frequency, and Applications

Low-Pass vs High-Pass Filter: Differences, Circuits, Cutoff Frequency, and Applications

Learn how low-pass and high-pass filters differ, how their RC circuits work, how to calculate cutoff frequency, and how to select the right filter for signal conditioning, audio, ADC, power, and RF applications.

2026-07-27
Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes

Circuit Board Component Identification: How to Identify PCB Components by Markings, Shape, and Codes

Circuit board component identification means recognizing PCB parts by their reference designators, physical appearance, body markings, polarity marks, package type, and electrical function. The fastest way to identify a component is to start with the PCB silkscreen, match the reference letter to a component type, inspect its shape and package, read any value or top marking, then confirm the result with a datasheet, schematic, BOM, or measurement tool. This guide explains how to identify common PCB components such as resistors, capacitors, inductors, diodes, transistors, MOSFETs, ICs, connectors, fuses, relays, crystals, and test points. It also includes practical examples, common marking codes, polarity clues, mistakes to avoid, and a replacement sourcing checklist.

2026-06-28
IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings

IC Top Marking Codes Explained: How to Identify SMD Chips from Package Markings

IC top marking codes are abbreviated package markings used to identify semiconductor devices, especially small SMD chips that cannot fit a full part number. Buyers should use the marking as a starting point, then verify manufacturer logo, package, pin count, date code, lot code, datasheet, packing label, and supplier documentation. Official manufacturer marking tools and datasheets should be used before relying on third-party SMD code databases.

2026-06-24
How to Find Pin-Compatible Alternatives for Obsolete ICs

How to Find Pin-Compatible Alternatives for Obsolete ICs

Finding a pin-compatible alternative for an obsolete IC is not just about matching the package. It requires a structured review of pinout, footprint, electrical parameters, functional behavior, lifecycle status, sourcing reliability, and sample validation.

2026-06-08
Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing

Pin-to-Pin Replacement Parts: How to Check Compatibility Before Sourcing

When an original electronic component becomes obsolete, unavailable, or too expensive, a pin-to-pin replacement part can help avoid PCB redesign and keep production or repair projects moving. However, pin-to-pin compatibility does not automatically mean the part is a safe drop-in replacement. This guide explains how to check package, footprint, pinout, electrical ratings, thermal performance, timing behavior, firmware requirements, compliance status, and lifecycle risk before sourcing replacement parts. It also provides a practical checklist to help engineers, buyers, and maintenance teams reduce sourcing mistakes and verify compatibility before purchase.

2026-06-02
How to Choose Electronic Components for Reliable Hardware Design

How to Choose Electronic Components for Reliable Hardware Design

Learn how to choose electronic components for reliable hardware design, including specifications, lifecycle status, sourcing risks, quality checks, and BOM optimization.

2026-04-30