88E1545-A1-LKJ2C000

Overview

The Marvell 88E1545-A1-LKJ2C000 is a quad-port Gigabit Ethernet transceiver within the Alaska family, designed for physical layer functions across 10BASE-T, 100BASE-TX, and 1000BASE-T standards. It features a QSGMII interface to reduce pin counts and simplify board layout. The device supports Energy Efficient Ethernet (IEEE 802.3az) with buffering for legacy MACs. It integrates an MDI termination resistor scheme meeting IEEE 802.3 return loss specifications and includes an internal switching voltage regulator allowing operation from a single 3.3V supply. Operating temperatures range from 0°C to +70°C, with power supply voltages between 950 mV and 1.05 V.

Feature Summary

• Supports Energy Efficient Ethernet (EEE) with buffering capability for non-EEE MACs
• Integrates Virtual Cable Tester (VCT) technology for remote cable fault detection
• Features an integrated switching voltage regulator for single 3.3V supply operation
• Includes Wake on LAN (WoL) with programmable lower power event detection

Applications

• Enterprise network infrastructure systems
• Embedded networking equipment
• Consumer broadband devices
• Metro and service provider market segments

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer marking with the official datasheet documentation. Ensure the LQFP-128 package matches the required footprint and thermal pad configuration. Confirm that the specific ordering suffix corresponds to the intended temperature grade and packaging format before finalizing procurement orders.

Selection Notes

Select this component when a compact quad-port solution with QSGMII connectivity is required to minimize PCB space. Consider its integrated voltage regulation and termination resistors if reducing external component count is a priority. Ensure the host MAC supports QSGMII or utilizes appropriate bridging logic for system compatibility.

Part Context

This part belongs to the Marvell Alaska 88E154x series of Gigabit Ethernet transceivers. It shares architectural similarities with other members in the family but is distinctively configured as a quad-port device. The series targets high-density applications requiring efficient power management and advanced diagnostic features like Virtual Cable Testing.

Replacement Considerations

Direct substitutes within the same family include other 88E154x variants with different interface options such as SGMII. Verify pinout compatibility and software register maps when considering alternative packages or interface configurations within the broader Alaska product line.