MARVELL 98DX253-A2-BDL1I000 Gigabit Ethernet Switch Controller Datasheet and Design Guide

The MARVELL 98DX253-A2-BDL1I000 is a highly integrated, high-performance Gigabit Ethernet switch controller designed to meet the demanding requirements of modern networking infrastructure. This device combines advanced Layer 2 and Layer 3 switching capabilities with robust security features and energy efficiency, making it suitable for enterprise, data center, and industrial applications. The controller supports up to 8 ports of Gigabit Ethernet, offering flexible port configurations and low-latency forwarding to ensure optimal data throughput and network responsiveness.

Key features include hardware-based IPv4/IPv6 routing, Quality of Service (QoS) prioritization, and comprehensive security protocols such as Access Control Lists (ACLs) and IEEE 802.1X authentication. The device also incorporates Marvell’s Prestera® architecture, enabling scalable and programmable packet processing. The design guide emphasizes efficient power management with support for Energy Efficient Ethernet (EEE), reducing operational costs and environmental impact.

Design considerations highlight the importance of signal integrity in PCB layout, recommending controlled impedance traces and proper grounding techniques to maintain high-speed data integrity. Thermal management strategies, including adequate heatsinking and airflow, are critical for sustained performance. The datasheet provides detailed electrical characteristics, timing diagrams, and configuration registers to assist engineers in implementing reliable designs.

ICGOODFIND: The Marvell 98DX253-A2-BDL1I000 is a versatile and powerful Ethernet switch controller, offering high integration, advanced features, and energy efficiency for next-generation networks.

Keywords: Gigabit Ethernet, Layer 3 Switching, Quality of Service (QoS), Energy Efficient Ethernet (EEE), Prestera Architecture.