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The VSC8504XKS-05 is a quad-port Ethernet transceiver manufactured by Microchip Technology. It supports 10/100/1000BASE-T and 100/1000BASE-X standards with QSGMII and SGMII interfaces. The device operates within a temperature range of -40°C to +125°C and utilizes a PBGA-256 package. Power supply requirements are specified between 1V minimum and maximum.
Verify the component against official datasheet VMDS-10402 specifications. Confirm the ordering suffix matches the required package and temperature grade. Ensure compatibility with system voltage levels and interface protocols before integration.
Select this component for applications requiring four Gigabit Ethernet ports with fiber or copper media support. Verify that the host processor supports QSGMII or SGMII MAC interfaces. Check thermal requirements for the PBGA-256 package in enclosed environments.
This part belongs to the VSC8504 series of quad-port PHYs from Microsemi, now part of Microchip Technology. It is designed for high-density networking equipment requiring robust physical layer connectivity across mixed media types.
Consult the manufacturer's cross-reference documentation for verified substitutes. Ensure any replacement maintains identical pinout, electrical characteristics, and protocol support.