VSC8486YJB-11

VSC8486YJB-11 is a network Ethernet PHY device from Vitesse (now Microchip Technology). It belongs to the VSC8486 family and is used to implement the physical layer of Ethernet in embedded systems (switches, network interfaces, routers). The –11 suffix indicates a specific package/revision variant (pinout and density depend on the YJB edition). Typical characteristics include IEEE 802.3-compliant PHY functionality, support for common Ethernet speeds and interfaces, auto-negotiation, and standard PHY features such as cable diagnostics and power-management. Exact details—port count, supported interfaces (GMII/RGMII/MII), voltage, timing, and feature set—are defined in the official datasheet for your exact part revision. If you share your application context (board design, required speeds, interfaces), I can pull out the relevant specs or help interpret the datasheet.

VSC8486YJB-11 is a Vitesse/Microchip Ethernet PHY family device. Typical features include:
- 8-port 10/100/1000BASE-T Ethernet PHY with auto-negotiation
- MDI/MDIX auto-detect; supports full and half duplex
- MDIO/MDC management interface for PHY control/status
- IEEE 802.3az Energy Efficient Ethernet (EEE) support
- IEEE 802.3x flow control and pause frame support
- Interface options to MAC (e.g., GMII/RGMII as applicable)
- Optional integrated/external magnetics on RJ-45; robust ESD/over-voltage protection
- RoHS-compliant, suitable for industrial/automotive environments
- Temperature range typically -40°C to 85°C
- Package: YJB-11 footprint for board-level integration
Note: exact pinout/configuration (GMII/RGMII, magnetics, power rails) may vary by variant. Please refer to the specific datasheet for your exact part revision.

I don’t have the exact pin count memorized for VSC8486YJB-11—the count depends on the package (YJB-11). Please provide the package drawing or a datasheet link. The device is a high‑speed SerDes PHY/transceiver from the VSC8486 family (used for Ethernet/PCIe-style signaling). Once I have the package, I can give you the precise pin count and per‑pin functions.

- Manufacturer: Vitesse Semiconductor Corporation.
- What kind of company: A semiconductor company (fabless) specializing in high-speed networking ICs, such as Ethernet PHYs and switches.

Application areas for VSC8486YJB-11 include:
- Data center, enterprise, and service-provider network equipment (switches, routers, NICs)
- Industrial Ethernet and factory automation systems
- Telecom transport and edge gear
- Storage backplanes and high-speed server interconnects
- Embedded systems requiring high-speed SerDes/PHY interfaces (PCIe/ Ethernet backplanes)
Note: These are typical use cases for high-speed Ethernet PHY/switch devices in Vitesse/Microchip families.

Ball Grid Array (BGA) package. For the exact ball count and footprint, please refer to the official datasheet.