MARVELL GT48350-A3-PBN-C000: Datasheet, Specifications, and Application Notes
The MARVELL GT48350-A3-PBN-C000 represents a highly integrated system-on-chip (SoC) solution designed for advanced networking and telecommunications infrastructure. This powerful IC is engineered to deliver exceptional performance, scalability, and energy efficiency, making it a cornerstone for next-generation enterprise switches, routers, and network security appliances.
Key Datasheet Overview
The official datasheet details the chip's comprehensive feature set. It is built on an advanced processing architecture that combines high-performance multi-core CPU complexes with specialized hardware accelerators for packet processing, security, and traffic management. This integration is crucial for handling massive data flows at line rate without bottlenecks. Key interfaces include multiple 10/25/40/100 Gigabit Ethernet ports, PCI Express Gen4 interfaces, and high-speed DDR4/DDR5 memory controllers, providing the necessary bandwidth for demanding applications.
Detailed Specifications
Processing Cores: Features an array of ARM-based or proprietary RISC cores optimized for control plane and data plane tasks.
Network Connectivity: Integrated MACs supporting a flexible mix of port speeds, including 1G, 2.5G, 10G, 25G, 40G, 50G, and 100G.
Switch Fabric: A high-bandwidth, low-latency internal fabric enables seamless communication between ports and processing units.
Security Acceleration: Hardware engines for IPsec, TLS/SSL, and deep packet inspection (DPI) to offcompute-intensive cryptographic functions.
Memory Support: Supports DDR4 or DDR5 memory with ECC for high reliability and data integrity.
Power Management: Incorporates advanced power-saving technologies, dynamically adjusting power based on traffic load.
Application Notes and Design Considerations
Successful implementation of the GT48350-A3-PBN-C000 requires careful attention to several factors outlined in its application notes. Power integrity and thermal management are paramount due to the chip's high performance and integration density. A robust power delivery network (PDN) with multiple voltage domains and proper decoupling is essential. Effective heat sinking or active cooling must be employed to maintain junction temperatures within the specified operating range.
Furthermore, signal integrity for high-speed SerDes links is a critical design challenge. This necessitates strict adherence to PCB layout guidelines, including controlled impedance routing, length matching, and appropriate use of vias. The reference schematics and layout diagrams provided by Marvell are invaluable resources for achieving first-pass success.

The device's software development kit (SDK) provides a rich set of drivers, APIs, and a full-featured network operating system (NOS) environment. This allows developers to leverage the chip's hardware capabilities fully, from basic switching and routing to advanced features like quality of service (QoS), traffic analysis, and software-defined networking (SDN) support.
ICGOOODFIND Summary
The MARVELL GT48350-A3-PBN-C000 is a flagship networking SoC that stands out for its blistering multi-gigabit performance, deep integration of features, and robust hardware acceleration. It is a versatile platform that empowers designers to build cutting-edge, scalable, and secure networking equipment for the most demanding data center and enterprise environments. Its comprehensive support package, including detailed application notes, accelerates development and reduces time-to-market for complex network products.
Keywords: Networking SoC, Hardware Acceleration, High-Speed Ethernet, Packet Processing, Security Engine.