VSC7427XJG-02

Telecom Overview

The VSC7427XJG-02 is a managed Layer 2 Ethernet switch IC from the Microchip Caracal series. It integrates 26 ports, including 24 Gigabit Ethernet interfaces and two SGMII/SerDes MAC ports. The device supports data rates of 10 Mb/s, 100 Mb/s, and 1 Gb/s, adhering to standards such as 100BASE-FX and 1GBASE-X. It operates on a core voltage range of 950 mV to 1.05 V and functions within a temperature range of 0°C to +125°C. The component is housed in a 672-ball BGA package and includes 12 integrated transceivers.

Telecom Feature Summary

• Integrates a high-performance switching fabric with extensive Layer 2 management capabilities for carrier-grade network applications.
• Combines multiple copper PHY ports with flexible serial media independent interface (SGMII) and SerDes connections for diverse uplink options.
• Supports advanced quality of service (QoS), security protocols, and traffic prioritization features suitable for enterprise and industrial environments.

Telecom Applications

• Carrier-grade Ethernet access nodes and aggregation switches
• Enterprise core and distribution layer networking equipment
• Industrial communication infrastructure requiring wide temperature operation

Telecom Procurement Notes

Verify the specific ordering suffix and package variant against the official Microchip datasheet before procurement. Confirm that the intended application environment aligns with the specified commercial temperature range of 0°C to +125°C. Ensure compatibility with the required 950 mV to 1.05 V core voltage supply rails during system design validation.

Telecom Selection Notes

Select this component when a managed L2 switch with 26 ports is required for high-density deployments. Consider the 672-ball BGA package constraints for PCB layout and thermal management. Verify that the host processor can support the necessary MIIM, SPI, or UART control interfaces for configuration and monitoring.

Telecom Part Context

This part belongs to the Caracal family of Ethernet switches, designed for scalable network architectures. It complements other Microchip PHY solutions like the VSC8522 series by providing robust switching logic. The VSC7427XJG-02 serves as a central component in building cost-effective yet feature-rich gigabit Ethernet switching systems.

Telecom Replacement Considerations

Consult the Microchip product transition notices for direct replacements. Evaluate the VSC7429XJG-02 for similar port counts with potential feature variations. Ensure any substitute maintains compatibility with the existing 672-HSBGA footprint and control interface requirements.