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.
Browse Link Layer Controllers Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| OS81118BFR-D2A-020400-V12 | Microchip Technology | Description: INIC 150MBPS MOST NETWORK | 1,135 | |
| OS81118BF-D2A-020400-V12 | Microchip Technology | Description: INIC 150MBPS MOST NETWORK | 1,795 | |
| OS81118AFR-D2A-020400-V11 | Microchip Technology | Description: INIC 150MBPS MOST NETWORK | 823 | |
| OS81118AF-D2A-020400-V11 | Microchip Technology | Description: INIC 150MBPS MOST NETWORK | 15,157 | |
| TSB12LV22PZ | Texas Instruments | IEEE 1394 High-Performance Link-Layer Controller | In Stock |
Top Link Layer Controllers Manufacturers

Microchip Technology
Microchip Technology Link Layer Controllers products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments Link Layer Controllers products are available for part-number review, stock checks, and RFQ support.
84,045 productsAbout 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.
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