VSC8501XML - Single-Port Gigabit Ethernet PHY | Microchip
料号： VSC8501XML ✓ 量产中VSC8501XML 概述
An Ethernet physical-layer transceiver, commonly called an Ethernet PHY, converts digital data into electrical signaling for transmission over twisted-pair cable and converts received signaling back into digital data. In the broader component hierarchy, the VSC8501XML is an Ethernet interface IC, a networking semiconductor, and a physical-layer device within an Ethernet communications system. It connects a network processor, switching silicon, industrial controller, or embedded system to an RJ45-based copper network through suitable magnetic-interface components.
The principal features confirmed for the VSC8501XML include support for 10/100/1000BASE-T operation, one Ethernet port, integrated line-side termination, integrated RGMII timing compensation, surface-mount construction, and a 135-QFN 12 mm by 12 mm package. The integrated termination is especially useful where PCB area is constrained because it removes the need for a discrete termination network on the line side. Lower board-area requirements can simplify placement around magnetics and connectors, although the Ethernet magnetics, connector, passive network, and controlled-impedance layout remain essential to signal integrity.
VSC8501XML belongs to Microchip's VSC8501 family and is identified by the XML ordering suffix. The 135-pin package exposes the digital host interface, analog line-side connections, power supplies, control pins, reference components, and configuration or test functions required by the PHY. Because the device supports multiple Ethernet rates, designers can use one physical-layer solution for 10 Mb/s, 100 Mb/s, and 1 Gb/s copper links when the surrounding magnetics and network implementation support the required media. Exact voltage ratings, temperature limits, clock requirements, register behavior, and performance metrics must be confirmed in the manufacturer datasheet before schematic capture.
Typical applications include industrial Ethernet gateways, programmable logic controllers, factory automation equipment, network interface cards, embedded Linux systems, IP cameras, access-control terminals, and compact communications appliances. The single-port architecture is particularly suitable for equipment with one copper Ethernet connection. In these systems, the VSC8501XML can sit between an Ethernet-capable processor and a network transformer, while software configuration controls speed negotiation, autonegotiation, and operating behavior.
When laying out the board, preserve the differential geometry required by the Ethernet line-side pairs and keep high-speed traces short and continuously referenced to a solid ground plane. Follow the pin-description table, recommended external-network diagram, and decoupling guidance in the Microchip VSC8501 datasheet. Confirm the exposed-pad connection, power-plane arrangement, magnetic-component selection, and resistor-network values against the exact XML suffix before releasing production artwork.
This product page consolidates the verified package and technology facts, drop-in-family cross-reference results, application guidance, and PCB considerations into a focused engineering reference. It also separates confirmed characteristics from parameters that require review of the official manufacturer documentation, helping designers evaluate the VSC8501XML before committing to a high-speed Ethernet design.
直接替换替代料： VSC8501XML ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
VSC8501XML-03
✅ 直接替换📋 参考替代料（不在目录中）
VSC8501XML 规格参数
| Product Type | Single-port Ethernet physical-layer transceiver |
| Ethernet Standards Supported | 10/100/1000BASE-T |
| Number of Ports | 1 port |
| Line-Side Termination | Integrated |
| RGMII Timing Compensation | Integrated |
| 封装 | 135-QFN (12 mm x 12 mm) |
| 安装类型 | Surface mount |
| Ethernet Category | Telecom IC / Ethernet interface IC |
| Supported Data Rates | 10 Mb/s, 100 Mb/s, and 1 Gb/s |
| Line-Side Termination Benefit | Board-space conservation, EMI reduction, and system-performance improvement |
| Timing Interface | RGMII with integrated timing compensation |
| RoHS 状态 | Compliant |
| Maximum Link Rate | 1 Gb/s |
VSC8501XML 135-qfn (12 mm x 12 mm) 引脚配置指南
VSC8501XML（135-qfn (12 mm x 12 mm) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： VSC8501XML.
请参阅 数据手册 以查看完整引脚配置。
典型应用
VSC8501XML 适用于 6 应用s: Industrial Ethernet Gateway, Programmable Logic Controller, Embedded Linux Network Appliance, IP Camera and Surveillance Terminal, Network Interface Card, Access-Control and Security Terminal.
Industrial Ethernet Gateway
The VSC8501XML fits an industrial Ethernet gateway that needs one copper port supporting 10, 100, or 1 Gb/s operation. Its integrated line-side termination reduces the discrete-component burden around the line-side network, helping conserve PCB area in compact gateways. The integrated RGMII timing compensation can also simplify host-interface implementation between the PHY and an Ethernet-capable embedded processor. The design should still follow Microchip's recommended magnetic network, controlled-impedance routing, supply filtering, and exposed-pad layout for reliable industrial operation.
推荐
Programmable Logic Controller
The VSC8501XML is appropriate for a programmable logic controller or factory automation controller requiring a single gigabit-capable Ethernet link. One PHY can support 10/100/1000BASE-T equipment links while preserving space around the processor, memory, and I/O sections of the board. Integrated line-side termination and RGMII timing compensation are useful when board area is constrained. Select magnetics appropriate to the isolation and grounding architecture, and validate operating-temperature, surge, and industrial qualification requirements before deployment.
推荐
Embedded Linux Network Appliance
The VSC8501XML supports a compact embedded Linux product that needs one wired Ethernet connection for configuration, telemetry, or control traffic. Its 10/100/1000BASE-T support permits interoperability with both legacy 100 Mb/s infrastructure and gigabit networks. The integrated termination reduces board area, while RGMII timing compensation helps the PHY interface with an Ethernet-capable application processor. Firmware must support the PHY through the manufacturer's register interface, and the board layout must preserve the recommended differential routing and magnetic-component arrangement.
推荐
IP Camera and Surveillance Terminal
The VSC8501XML can provide the wired network connection for an IP camera or surveillance terminal that uses a single Ethernet port. Support for 10/100/1000BASE-T allows the terminal to operate over common copper network infrastructure, and the integrated line-side termination helps conserve PCB area in compact camera electronics. The RGMII interface can connect to a suitable image-processing or network processor. Designers should account for video-stream bandwidth, thermal conditions around the camera enclosure, and the isolation or surge-protection architecture required by the installation environment.
推荐
Network Interface Card
The VSC8501XML is suitable for a compact one-port network interface card requiring 10/100/1000BASE-T operation. A PCI, PCIe, or embedded host interface can be connected to the PHY through the appropriate data bus, while RGMII timing compensation assists with host-interface timing implementation. The integrated line-side termination reduces the termination footprint near the magnetic component and can lower EMI. Final card design work must follow the manufacturer's recommended circuit, reference-clock requirements, power layout, and high-speed signal-routing guidance.
推荐
Access-Control and Security Terminal
The VSC8501XML suits a single-port access-control or security terminal that must connect to an Ethernet management network. The device can negotiate across 10 Mb/s, 100 Mb/s, and 1 Gb/s copper links, while integrated line-side termination supports compact board layouts. The RGMII timing compensation feature simplifies host-interface timing around the processor or controller. For powered installations, verify supply ranges, startup behavior, cable surge exposure, and environmental limits against the manufacturer documentation and the deployed enclosure conditions.
推荐
推荐产品汇总
工程参考数据： VSC8501XML ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | VSC8501XML-03 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 135-QFN (12 mm x 12 mm) | 135-QFN (12 mm x 12 mm) |
| Ethernet Support | 10/100/1000BASE-T | 10/100/1000BASE-T |
| Number of Ports | 1 port | 1 port |
| Maximum Data Rate | 1 Gb/s | 1 Gb/s |
| Mounting Type | Surface mount | Surface mount |
关键差异点
- Integrated line-side termination reduces board-area requirements （对比 VSC8501XML-03)
- Integrated RGMII timing compensation supports compact host-interface designs （对比 VSC8501XML-03)
- One device covers 10, 100, and 1,000 Mb/s copper links （对比 VSC8501XML-03)
- Space-conscious 135-QFN 12 mm by 12 mm implementation （对比 VSC8501XML-03)
设计说明
Route every Ethernet line-side differential pair as a controlled-impedance differential connection over a continuous ground plane. Match the pair geometry and length to the manufacturer's reference layout, minimize vias and stubs, and avoid splitting the return path beneath the pairs. Keep the PHY, reference components, magnetic interface, and connector region in the arrangement shown by Microchip. Integrated line-side termination reduces component count but does not compensate for poor pair geometry or an interrupted return path.
Place input, output, and internal decoupling capacitors at the pins specified by the manufacturer datasheet, with short and low-inductance connections to the associated power and ground pins. Treat the 135-QFN exposed thermal land as both a thermal path and an electrical connection specified by Microchip. Review the recommended via pattern, copper area, and solder-process requirements before release because an incorrect exposed-pad connection can affect stability, heat transfer, or board assembly.
Do not treat every VSC8501-family ordering code as automatically equivalent. Confirm the XML suffix, temperature grade, configuration, reference-clock requirements, external resistor values, and magnetic-interface circuit in the ordering information for the exact MPN. In particular, compare VSC8501XML and VSC8501XML-03 before substitution. Also validate autonegotiation, link behavior, and PHY-driver support in software to prevent a hardware-compatible part from creating a system-level incompatibility.
Preserve the recommended Ethernet magnetics and separation between line-side and digital host-side circuitry. Maintain a continuous ground reference beneath the differential pairs, follow the manufacturer's component-placement sequence, and avoid placing noisy switching regulators, oscillators, or high-current return paths adjacent to sensitive line-side nodes. Integrated termination and RGMII timing compensation reduce implementation burden, but careful partitioning remains necessary for predictable electromagnetic performance and stable link operation.
合规信息
RoHS compliance is identified for VSC8501XML in the product listing. No qualification or additional environmental claims are stated for the exact XML suffix.
