PT4161LRS: PCI-Express Gen-4 x16 Retimer by Astera Labs - High-Speed Signal Integrity Solution
PT4161LRS: PCI-Express Gen-4 x16 Retimer by Astera Labs The Ultimate Signal Integrity Solution
The PT4161LRS is a state-of-the-art PCI-Express Gen-4 x16 Retimer developed by Astera Labs, Inc., a pioneer in high-performance semiconductor solutions. Engineered to address the challenges of modern data transmission, this retimer ensures unparalleled signal integrity, making it indispensable for data centers, AI/ML systems, and high-speed networking applications. Below, we explore its advanced features, technical specifications, and why it stands out in the competitive landscape of signal conditioning ICs.
What is the PT4161LRS?
The PT4161LRS is a high-performance retimer IC designed to regenerate and optimize PCI-Express Gen-4 signals. As part of the Interface - Signal Buffers, Repeaters, Splitters category, it ensures data integrity over extended distances and complex routing environments. Its x16 lane configuration and 16 GT/s per lane capability make it a powerhouse for bandwidth-intensive applications.
Key Features of the PT4161LRS
- PCI-Express Gen-4 Compliance: Supports the latest PCIe Gen-4 standard, delivering up to 16 GT/s per lane and 256 GT/s total bandwidth in x16 mode.
- Advanced Signal Conditioning: Combines equalization, clock recovery, and jitter reduction to maintain pristine signal quality.
- Compact and Efficient Design: Housed in a 354-FBGA/FCCSPBGA package (22.8mm x 8.9mm), it optimizes board space without sacrificing performance.
- Low Power Consumption: Engineered for energy efficiency, critical for data center and edge computing deployments.
- Industrial-Grade Reliability: Operates across a wide temperature range (typically -40 C to +85 C), ensuring stability in harsh environments.
Applications of the PT4161LRS
The PT4161LRS is a versatile solution for industries demanding high-speed, low-latency data transmission:
- Data Centers: Enhances connectivity in servers, storage arrays, and switches, reducing signal degradation.
- AI/ML Hardware: Accelerates data movement in GPUs, TPUs, and other compute accelerators.
- 5G Infrastructure: Supports high-throughput fronthaul and backhaul networks.
- Automotive and Aerospace: Used in advanced driver-assistance systems (ADAS) and avionics requiring robust signal integrity.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Retimer |
| Standard | PCI-Express Gen-4 |
| Lanes | x16 |
| Data Rate (Max) | 16 GT/s per lane |
| Package | 354-FBGA, FCCSPBGA |
| Dimensions | 22.8mm x 8.9mm |
| Mounting Type | Surface Mount (SMT) |
Why Choose the PT4161LRS?
- Future-Proof Performance: PCIe Gen-4 readiness ensures compatibility with next-gen hardware.
- Superior Signal Recovery: Mitigates insertion loss, crosstalk, and impedance mismatches.
- Scalability: From edge devices to hyperscale data centers, it adapts to diverse use cases.
- Astera Labs' Expertise: Backed by a leader in connectivity solutions, with proven reliability.
Frequently Asked Questions (FAQ)
Q: What is the difference between a redriver and a retimer?
A: Redrivers amplify signals but do not reconstruct them, while retimers (like the PT4161LRS) regenerate the signal clock and data, offering superior integrity.
Q: Can the PT4161LRS be used for PCIe Gen-3 systems?
A: Yes, it is backward-compatible with PCIe Gen-3, though optimal performance is achieved with Gen-4.
Q: Where can I buy the PT4161LRS?
A: Contact Astera Labs or authorized distributors for pricing and availability.
Conclusion
The PT4161LRS is a game-changer for high-speed data transmission, combining cutting-edge technology with Astera Labs' engineering excellence. Whether you're designing for AI, cloud computing, or advanced networking, this retimer delivers the performance and reliability needed to stay ahead. Act now integrate the PT4161LRS into your next project and experience unmatched signal integrity!
For datasheets, samples, or bulk orders, visit our product page or contact our sales team today.