VSC7421XJQ-04

Telecom Overview

The VSC7421XJQ-04 is an unmanaged Layer-2 Gigabit Ethernet switch featuring 17 ports, including 12 integrated copper PHYs. It supports 10BASE-T, 100BASE-FX, and 1GBASE-TX standards with data rates of 10 Mb/s, 100 Mb/s, and 1 Gb/s. The device operates within a temperature range of -40°C to +125°C and utilizes a 672-pin HSBGA package. Power supply requirements are specified at 1V minimum and maximum. Interfaces include 2-Wire, GPIO, IRQ, JTAG, MIIM, QSGMII, SGMII, SIO, SPI, and UART.

Telecom Feature Summary

• Integrated copper transceivers for direct twisted-pair connectivity
• Hardware-based Layer-2 switching capabilities
• Support for multiple physical layer standards

Telecom Applications

• Industrial networking environments requiring wide temperature tolerance
• Edge aggregation in communication infrastructure
• Data center interconnects

Telecom Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm temperature grade and package configuration. Ensure compatibility with required interface protocols before integration. Confirm RoHS compliance status through the manufacturer's current datasheet revision.

Telecom Selection Notes

Select this component when a high-port-count unmanaged switch with integrated PHYs is required. Consider the industrial temperature rating for harsh environments. Evaluate the available interface options against system control requirements.

Telecom Part Context

This part belongs to the VSC7421 family of Gigabit Ethernet switches from Microchip Technology. The family includes variants differentiated by port counts and integrated PHY configurations. These devices target high-density switching applications in communications and industrial sectors.

Telecom Replacement Considerations

Consult the official datasheet for confirmed substitute part numbers within the same product family. Verify pinout and functional equivalence before substitution.