Next‑Generation 100/1000BASE‑T1 Single Pair Ethernet PHYs Integrate MACsec Security, Time Sensitive Networking and Functional Safety
Rhea-AI Summary
Microchip (Nasdaq: MCHP) introduces the LAN878x and LAN888x families of Single Pair Ethernet (SPE) PHY transceivers in 100BASE-T1, 1000BASE-T1 and dual-speed 100/1000BASE-T1 variants. Devices integrate hardware MACsec (IEEE 802.1AE‑2018), native TSN support and ISO 26262 ASIL‑B functional safety features for automotive and mission‑critical networks.
Pin‑compatible SKUs, SGMII/RGMII host interfaces, on‑chip diagnostics, 150°C max junction temperature and Automotive Grade 1 (-40°C to +125°C) support are highlighted. Limited samples are available; contact a Microchip sales representative for details.
Positive
- Integrated hardware MACsec compliant with IEEE 802.1AE‑2018
- Native TSN support for deterministic, low‑latency communication
- Pin‑compatible SKUs across 100BASE‑T1 and 1000BASE‑T1 for design reuse
- Automotive Grade 1 support and -40°C to +125°C operating range
Negative
- Availability limited to sampling at announcement
- No pricing or volume production timelines disclosed
Key Figures
Market Reality Check
Peers on Argus
MCHP is up 4.51%. Key peers show mixed but mostly positive moves: MPWR up 4.51%, NXPI up 4.11%, STM up 1.7%, CRDO up 0.19%, while ALAB is down 6.85%, suggesting stock-specific strength rather than a broad sector momentum event.
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Apr 28 | Security controller launch | Positive | -3.0% | Introduced PQC-ready TS1800 and TS50x Trust Shield security controllers. |
| Apr 27 | Capacity expansion | Positive | -2.9% | Opened new facility to expand hydrogen maser production and cut lead times. |
| Apr 23 | Timing module launch | Positive | +9.9% | Launched MD-990-0011-B timing modules for data centers and 5G vRAN. |
| Apr 21 | MCU portfolio expansion | Positive | +0.7% | Expanded CLB-based PIC MCU lineup with new PIC16F and PIC18 families. |
| Apr 14 | DSC family expansion | Positive | +1.3% | Expanded dsPIC33A DSC family targeting AI data center power and control. |
Recent product and technology announcements often saw positive reactions, but some advanced security/technology launches drew mild pullbacks, indicating mixed but generally constructive responses.
Over the last few weeks, Microchip has repeatedly announced new products across security, timing, and programmable logic. On Apr 14 and Apr 21, expansions of the dsPIC33A and PIC MCU families drew modest gains of 1.29% and 0.67%. A timing module launch on Apr 23 coincided with a stronger 9.89% rise. However, hydrogen maser capacity expansion and post‑quantum root-of-trust controllers on Apr 27 and Apr 28 saw declines near −3%, underscoring varied reactions to similar innovation themes.
Market Pulse Summary
This announcement highlights new LAN878x and LAN888x Single Pair Ethernet PHYs combining MACsec security, Time‑Sensitive Networking and ISO 26262 ASIL‑B functional safety, with operation up to 150°C and across -40°C to +125°C. It continues a series of recent product launches in security, timing and MCUs. Investors may watch adoption in automotive and industrial applications and how these higher‑value solutions contribute alongside prior innovations in Microchip’s portfolio.
Key Terms
single pair ethernet technical
macsec technical
time‑sensitive networking technical
iso 26262 regulatory
AI-generated analysis. Not financial advice.
Microchip’s LAN878x and LAN888x PHY families enable secure, scalable and deterministic Ethernet connectivity for automotive and industrial systems
CHANDLER, Ariz., May 07, 2026 (GLOBE NEWSWIRE) -- As automotive and industrial designers adopt Single Pair Ethernet (SPE) and all‑Ethernet architectures to support Software‑Defined Vehicles (SDVs) and complex industrial networks, demand is growing for secure, scalable connectivity. Microchip Technology (Nasdaq: MCHP) today announces the LAN878x and LAN888x families of Single Pair Ethernet (SPE) PHY transceivers, available in 100BASE-T1, 1000BASE-T1 and dual-speed 100/1000BASE-T1, designed to deliver secure, reliable and scalable Ethernet connectivity for automotive and other mission-critical applications.
The LAN878x and LAN888x PHYs integrate hardware‑based MACsec security compliant with IEEE® 802.1AE‑2018, providing frame‑level confidentiality, data integrity and replay protection without adding system latency or software complexity. Native Time‑Sensitive Networking (TSN) support enables deterministic, low‑latency communication required for ADAS, zonal gateways and safety‑critical control networks.
The LAN878x and LAN888x families go beyond security and performance by delivering enhanced functional safety engineered for ISO 26262 ASIL‑B systems. Advanced on‑chip diagnostics and link monitoring increase visibility, accelerate fault detection and support stronger system‑level safety mechanisms than traditional SPE PHY solutions.
To simplify platform scalability and design reuse, the LAN878x and LAN888x families offer pin‑compatible SKUs across 100BASE‑T1 and 1000BASE‑T1 variants, as well as SGMII and RGMII host interfaces. This compatibility allows designers to reuse existing hardware designs while scaling network bandwidth to meet evolving performance requirements.
“OEMs need a clear and efficient path to scale Ethernet performance as vehicle networks evolve,” said Charlie Forni, corporate vice president of Microchip’s networking and connectivity business unit. “The LAN878x and LAN888x families allow teams to reuse designs while supporting higher data rates and stronger security. By integrating MACsec directly in the PHY, we help designers enhance network protection without added system complexities.”
The LAN878x family includes LAN8781, LAN8781M, LAN8782 and LAN8782M, while the LAN888x family includes LAN8881, LAN8881M, LAN8882, LAN8882M, LAN8883, LAN8883M, LAN8884 and LAN8884M. Devices with the “M” suffix support MACsec security. All devices are designed for high reliability, with a maximum junction temperature of 150°C, supporting Automotive Grade 1 operating conditions (-40°C to +125°C).
Beyond automotive, the LAN878x and LAN888x families also support a wide range of industrial and mission-critical applications, including industrial automation, robotics, avionics and other systems that require deterministic Ethernet communication.
Development Tools
The LAN878x and LAN888x PHY transceivers are supported by comprehensive hardware evaluation platforms; SGMII, USB and PCIe® plug-in boards and Linux® software drivers.
Pricing and Availability
The LAN878x and LAN888x families are available in limited sampling. To learn more, please contact a Microchip sales representative.
Resources
High-res images available through Flickr or editorial contact (feel free to publish):
• Application image: www.flickr.com/photos/microchiptechnology/55205569200/sizes/l
About Microchip Technology:
Microchip Technology Inc. is a broadline supplier of semiconductors committed to making innovative design easier through total system solutions that address critical challenges at the intersection of emerging technologies and durable end markets. Its easy-to-use development tools and comprehensive product portfolio supports customers throughout the design process, from concept to completion. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support and delivers solutions across the industrial, automotive, consumer, aerospace and defense, communications and computing markets. For more information, visit the Microchip website at www.microchip.com.
Note: The Microchip name and logo and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are the property of their respective companies.
| Editorial Contact: | |
| Kim Dutton | |
| 480-792-4386 | |
| kim.dutton@microchip.com |
