VSC8502RD - 2-Port Gigabit Ethernet PHY | Microchip Technology
料号： VSC8502RD ✓ 量产中VSC8502RD 概述
A copper Ethernet PHY is the physical-layer interface between a digital Ethernet controller or processor and a twisted-pair network cable. It performs signal encoding, decoding, clock and data recovery, and electrical termination needed for reliable data transmission. The VSC8502 therefore belongs to the Ethernet interface controller and physical-layer device hierarchy, where it sits between a MAC or switching engine and the network magnetics or transformer-coupled cable interface. Its integrated line-side termination is particularly relevant to compact consumer, industrial, and embedded networking equipment.
The supplied manufacturer information highlights integrated line-side termination as a board-space and EMI benefit. For 10/100/1000BASE-T applications, the two-port arrangement can reduce the number of separate PHY devices required by a dual-port network design. GMII and RGMII provide selectable digital interfaces for systems using either parallel or reduced-pin serial connections, allowing the PHY to fit different host architectures. The supplied data does not specify the exact package dimensions, pin count, electrical limits, operating-temperature range, or power consumption, so those values are not inferred here.
Typical uses include compact Ethernet switches, industrial control equipment, embedded gateways, set-top equipment, and other designs requiring two copper-network ports. System designers should verify the exact VSC8502RD package, reference schematic, magnetic component, media interface, clocking, and host-side signal requirements against the Microchip documentation before layout release. The VSC8502RD-VR entry shown in the supplied distributor cross-reference data should likewise be checked against the target ordering code and mechanical drawing rather than assumed to be interchangeable.
This product page consolidates the verified manufacturer description, distributor availability references, the VSC8502RD ordering entry, and the supplied VSC8502RD-VR cross-reference result. It also distinguishes confirmed application-level facts from electrical and mechanical details that require the manufacturer datasheet for final design decisions.
直接替换替代料： VSC8502RD ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
VSC8502RD-VR
✅ 直接替换📋 参考替代料（不在目录中）
VSC8502RD 规格参数
| Product Type | Ethernet copper PHY |
| Port Count | 2 ports |
| Supported Ethernet Standards | 10/100/1000BASE-T |
| Host Interface | GMII/RGMII |
| Integrated Line-Side Termination | Yes |
| Primary Application | 10/100/1000BASE-T Ethernet |
| Target Market | Space-constrained Ethernet equipment |
| Manufacturer | Microchip Technology |
| Ordering Code | VSC8502RD |
VSC8502RD standard 引脚配置指南
VSC8502RD（standard 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： VSC8502RD.
请参阅 数据手册 以查看完整引脚配置。
典型应用
VSC8502RD 适用于 6 应用s: Compact Two-Port Ethernet Switch, Industrial Gateway, Embedded Network Appliance, Set-Top Media Gateway, Networked Test Equipment, Multi-Port Network Adapter.
Compact Two-Port Ethernet Switch
The VSC8502RD fits a compact two-port copper Ethernet switch because it provides two Gigabit Ethernet PHY ports in one device and supports 10/100/1000BASE-T operation. A switching platform can route the two physical channels through a host MAC or switching engine while using the integrated line-side termination to reduce discrete network components and PCB area. The GMII/RGMII options allow the PHY to connect to different controller architectures. The design still requires verified magnetics, controlled impedance routing, adequate copper, and compliance testing of the complete board.
推荐
Industrial Gateway
The VSC8502RD is a candidate for industrial gateways that need two local copper Ethernet ports while keeping the physical-layer section compact. Its two-port 10/100/1000BASE-T capability supports local network equipment, while integrated line-side termination may simplify the analog network area and reduce board requirements. GMII and RGMII host interfaces provide flexibility when the gateway controller uses either a wide parallel bus or a reduced signal-count interface. Industrial temperature, isolation, surge, EMC, and regulatory requirements must be verified because those details are absent from the supplied source data.
推荐
Embedded Network Appliance
The VSC8502RD can serve dual-port Ethernet connectivity in an embedded appliance where board area is constrained. Two integrated copper PHY channels can reduce the package and component count associated with separate network ports, while 10/100/1000BASE-T support covers legacy and Gigabit links. The PHY can connect through GMII or RGMII depending on the embedded processor interface. Layout engineers should use the manufacturer reference layout for high-speed digital routing, return paths, magnetics, and line-side termination rather than deriving a layout from general Ethernet guidance alone.
推荐
Set-Top Media Gateway
The VSC8502RD is suitable for consideration in a set-top or media gateway that needs two Ethernet connections without allocating separate PHY packages for each copper port. Its integrated line-side termination supports a smaller physical-layer implementation and can reduce EMI-related board complexity. Gigabit support allows the appliance to connect to modern home, enterprise, or service-provider access equipment, while RGMII can help limit host-side pin usage. Exact power, thermal, EMC, and package constraints must be obtained from the Microchip documentation before product selection is finalized.
推荐
Networked Test Equipment
The VSC8502RD can provide dual Gigabit copper connectivity in networked test and measurement equipment that must transfer data over standard Ethernet links. The two-port arrangement permits daisy-chain or separate instrument-network configurations, and the GMII/RGMII choice allows adaptation to different data-plane controllers. Integrated line-side termination may shorten the analog implementation area on crowded instrument boards. Signal-integrity validation remains essential because the supplied data does not specify timing margins, jitter performance, package details, or reference magnetics.
推荐
Multi-Port Network Adapter
The VSC8502RD can contribute two copper Ethernet channels to a multi-port adapter built around a high-speed embedded controller or dedicated switching silicon. Using a two-port PHY consolidates Gigabit physical-layer functions while leaving media access, packet processing, and port management to the host device. RGMII may be attractive where connector count and board routing are constrained, whereas GMII provides a wider parallel interface when timing and throughput requirements favor it. The host interface, clocking scheme, magnetic components, and board-length constraints require confirmation from the manufacturer datasheet.
推荐
推荐产品汇总
工程参考数据： VSC8502RD ——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 | VSC8502RD-VR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
关键差异点
- Two copper Ethernet ports in one PHY （对比 VSC8502RD-VR)
- Integrated line-side termination （对比 VSC8502RD-VR)
- Flexible host-side Ethernet interface （对比 VSC8502RD-VR)
设计说明
Use the Microchip VSC8502 reference schematic and layout as the authority for the VSC8502RD PCB. Preserve the recommended copper geometry and component placement around the integrated line-side termination, and route each copper channel with a controlled-impedance 100-ohm differential pair. The supplied data does not identify the exact package or magnetics, so board dimensions and land patterns must not be finalized from this page alone.
Treat the GMII and RGMII interfaces as high-speed digital links even though the supplied data does not state their timing limits. Follow the manufacturer recommendations for trace length matching, layer transitions, reference-plane continuity, and clock-source cleanliness. Do not route the PHY clock across noisy power-converter areas, and validate eye, jitter, and setup/hold margin on the final board with suitable Ethernet test equipment.
Integrated line-side termination can reduce board area and implementation complexity, but it does not replace complete EMI validation. Keep the Ethernet magnetics close to the PHY according to the reference design, minimize the unshielded copper path, provide clean device grounding, and apply common-mode or filtering solutions only after checking the PHY and magnetics documentation. Final emissions and immunity must be verified at the finished-product level.
合规信息
The supplied VSC8502 product-page and distributor snippets do not provide explicit compliance statements. Compliance must be confirmed using the selected package's current Microchip product documentation.
