Is Microchip the Only Company Manufacturing Time Sensitive Networking (TSN) Chips?

How Can Organizations Get the Most from Existing Cables as the Demand for AI Accelerates?  In modern manufacturing environments, timing precision can directly impact operational reliability. For example, robotic assembly lines often require multiple machines to execute synchronized movements within microseconds of one another. Automated guided vehicles (AGVs), machine vision systems, and industrial safety controls also depend on deterministic communication to avoid delays that could interrupt production or create safety risks. TSN chips help ensure these systems communicate in real time over standard Ethernet infrastructure.

As factories transition more fully to AI, traditional Ethernet is hitting a physical ceiling. With standard networking, data packets arrive when they can, not necessarily when they must. In conventional networking environments, packet delivery timing fluctuates based on network conditions rather than strict real-time operational requirements. Delayed packet delivery can cause catastrophic mechanical failure. 

Time-Sensitive Networking (TSN) chips add deterministic timing control to Ethernet infrastructure, allowing networks to support synchronized machine operations and latency-sensitive industrial applications. TSN chips are specialized semiconductors that guarantee the sub-microsecond latency required to marry the speed of data with the laws of physics on the manufacturing facility floor. This technological shift is not merely an upgrade; it is a fundamental reconfiguration of how silicon interacts with the physical world. By embedding logic that honors the microsecond, these chips transform Ethernet from a simple data pipe into a precision instrument. 

For industries racing toward autonomous operations, adopting TSN is the definitive bridge to a reliable, AI-driven future.

What is TSN?

TSN technology is a set of IEEE standards designed to make standard Ethernet deterministic. IEEE802.1 guarantees that data arrives within a precise, predictable frame of time, enabling reliable, real-time, and synchronized communication over Ethernet networks. TSN provides time-synchronized critical control data, video, and high-bandwidth data transfer to applications with stringent timing and delivery requirements.

In manufacturing, TSN enables industrial robots, programmable logic controllers (PLCs), machine vision cameras, and motion control systems to communicate over a unified Ethernet network while maintaining precise timing requirements. Instead of deploying separate networks for operational technology (OT) and traditional IT traffic, manufacturers can consolidate both environments onto a single TSN-enabled infrastructure.

 The benefits of TSN include:

• Reduced Latency: Data travels from one point of a network to another in minimal time for a seamless user experience.
• Enhanced Network Performance: Time-critical data is delivered accurately and on-time.
• Improved Scalability: A standardized method prioritizes and manages network traffic even as the number of connected devices grows.
• Interoperability: TSN technology ensures that devices from different manufacturers communicate effectively and reliably.
• Cost-Effectiveness: Existing network infrastructure can be used more efficiently thanks to TSN, reducing the need for expensive upgrades.

TSN is instrumental in manufacturing environments where precise coordination of machines and processes is essential. 

How do TSN Chips Differ from Standard Ethernet Chips?

The major difference between TSN chips and other chips is a shift in priority from how much data can be moved to exactly when a data packet should arrive. In other words, a standard chip processes data as fast as possible; a TSN chip delivers data strategically at a precise time interval.

Standard Ethernet Chips

Standard Ethernet chips have no built-in concept of precise time. For that reason, delivery is always “best effort.” Latency is variable due to congestion, so there are no guarantees on when a data packet will actually arrive. In terms of traffic handling, all packets are treated similarly, and on-time delivery depends on higher-layer transmissions. Use is limited to general IT networking, web, and basic file transfers.

TSN Chips

TSN and TSN-enabled chips enable deterministic, real-time communication over Ethernet. Hardware supports precise clock synchronization across all devices. Featuring time-aware scheduling for low latency and jitter (variation in packet arrival timing),  it also has time-aware queuing that prioritizes real-time traffic while allowing best-effort traffic on the same network. TSN chips are well-suited to industrial automation, automotive, motion control, robotics, AV, and aerospace industries.

For example, in a high-speed packaging facility, conveyor systems, robotic arms, and inspection cameras must operate in precise synchronization to avoid production bottlenecks or product defects. TSN chips help maintain deterministic communication between these systems, even when large volumes of non-critical network traffic are present elsewhere on the network.

In short, standard Ethernet chips are built for high throughput and reliability in non-time-critical environments. TSN chips provide time synchronization capabilities, making Ethernet suitable for mission-critical real-time systems.

Core Capabilities of TSN Chips 

Rather than simply pushing data through as fast as possible, TSN chips manage data based on time-sensitive priorities. Core capabilities include:

• Global Time Awareness: For coordinated actions, all devices share a precise common time base, down to sub-microsecond accuracy.
• Low-Latency/Jitters: Features include cut-through forwarding, per-stream filtering/policing, and frame preemption to interrupt non-critical frames.
• Scheduled Traffic: To ensure critical data transmits at exact scheduled times without interference, time gates open/close for specific traffic classes.
• Convergence: Cabling and complexity is reduced due to real time and best-effort traffic existing on one standard Ethernet device.

TSN chips can leverage standard Ethernet infrastructure, such as cables and switches. They are part of an evolution of Ethernet rather than proprietary replacement.

The Hardware Implications of TSN Chips

TSN chips are more complex than standard Ethernet ASICS or PHYS. They require additional silicon features to handle the dimension of time.

Time-Aware Scheduling (TAS)

A gate-control list opens and closes transmission windows at nanosecond intervals. Designated time slots are created for critical traffic via bandwidth reservation. If the network is flooded with low-priority data, the chip clears the way exactly when the critical control packet is scheduled to arrive.

For example, in automotive manufacturing plants, TSN scheduling can prioritize motion-control commands for robotic welding systems while simultaneously supporting non-critical traffic such as production analytics, quality monitoring, and employee communications over the same Ethernet infrastructure.

High-Precision Synchronization

Hardware-based timestamping synchronizes every device on the network to a Grandmaster clock. This way, every chip in a system operates on the exact same microsecond-level timeline. 

Seamless Redundancy

A TSN chip can replicate a single packet and send it across two different paths at the same time. The receiving chip identifies the first to arrive and discards the second one instantly. If a physical connection is lost, the network doesn’t even blink thanks to zero-millisecond recovery.

TSN chips are often integrated with processors or as standalone switches.

Is Microchip the only company manufacturing TSN chips?

While Microchip Manufacturing is a major player in the world of TSN chips, it is just one of the companies currently providing similar hardware. 

• NXP Semiconductors. A major competitor in the automotive and industrial IoT sectors, NXP’s SJA1105 and SJA1110 series are widely used for automotive TSN. 
• Texas Instruments. TSN support is directly integrated into TI’s Sitara processors, such as the AM6x family, for a “system-on-chip” approach.
• Broadcom. Dominating the high-end data center and service provider markets, Broadcom supports TSN for 5G fronthaul and large-scale industrial backbones via its StrataXGS and RoboSwitch architectures.
• Intel. Intel’s I225/I226 series controllers are commonly used for PC-based TSN applications, and their Cyclone V and Stratix 10 FPGAs are used in building custom TSN endpoints.
• Marvell. As a leader in high-bandwidth applications, Marvell offers the Brightweaver and LinkStreet lines focused on automotive and enterprise-grade TSN switches, with multi-gigabit support.

TSN chip manufacturers tend to dominate specific verticals like automotive, industrial automation, and telecommunications.

 Why TSN Chips Matter for AI-Driven Networks

The rise of AI creates a new requirement for networks—the mastery of time. Even at its most robust, standard networking is a system of “best efforts.” TSN-enabled hardware is about evolving from simple connectivity to guaranteed determinism. For time-critical applications like modern manufacturing and smart infrastructure, the goal is to ensure that mission-related data never waits in line. 

AI-powered manufacturing systems increasingly rely on real-time data exchange between sensors, robots, edge computing devices, and industrial control systems. For example:

• Smart factories use TSN-enabled networks to synchronize robotic assembly operations.
• Predictive maintenance systems rely on real-time sensor data to identify equipment issues before failures occur.
• Machine vision systems inspecting products on high-speed production lines require ultra-low-latency communication to trigger immediate corrections or reject defective products.
• Autonomous mobile robots (AMRs) and AGVs depend on deterministic networking to safely navigate factory environments without communication delays.

TSN chips help support these applications by ensuring critical operational traffic receives guaranteed transmission timing across the network.

In applications dependent upon hard real-time guarantees, TSN chips offer:

• Deterministic Latency 
• Nanosecond Synchronization
• Ultra-Low Jitter
• Zero-Delay Preemption
• Seamless Redundancy
• Bandwidth Reservation

As manufacturers continue adopting AI, robotics, and autonomous operations, TSN chips are becoming a foundational technology for building reliable, real-time industrial Ethernet networks. Contact Versa Technology for more information on preparing your network for the next level of connectivity. As a premier source of network PoE switches and components, we’re here to help you navigate the future of networking.