VSC8541XMV - Gigabit Ethernet Copper PHY | Microchip
MPN： VSC8541XMV ✓ 啟用中VSC8541XMV 概覽
A copper PHY is the physical-layer interface between a network switch, router, control system, or other digital controller and a twisted-pair Ethernet cable. Within the semiconductor hierarchy, the VSC8541XMV belongs to the Ethernet transceiver and interface-controller family, with broader application in industrial communication, access equipment, embedded systems, and 10/100/1000BASE-T network interfaces.
Key features include support for all three Gigabit Ethernet copper rates, Energy Efficient Ethernet, Wake-on-LAN, and Synchronous Ethernet. Synchronous Ethernet is especially useful in carrier and timing-sensitive infrastructure because it allows Ethernet traffic to be referenced to a common clock. The four supported MAC-facing interfaces provide flexibility when connecting the PHY to processors, switches, routers, or custom Ethernet controllers.
The VSC8541 device architecture is intended for compact, low-power Ethernet designs where board area is constrained. Its 8 x 8 mm QFN-68 construction supports high-density placement, while the RGMII and RMII options can simplify connections to systems with different parallel-interface requirements. GMII and MII provide additional options for designs using higher-speed or legacy parallel Ethernet interfaces.
Typical applications include industrial Ethernet gateways, routers, switches, network interface cards, telecommunications access equipment, embedded Linux platforms, and copper backplane links. EEE can reduce power consumption when link activity is low, while Wake-on-LAN supports remote activation and network management. Synchronous Ethernet is useful in infrastructure requiring deterministic clock distribution across packet-processing equipment.
When laying out a PCB, follow the Microchip VSC8541 Hardware Design Checklist for high-speed trace routing, supply decoupling, magnetic-component placement, and return-path continuity. Pay particular attention to impedance-controlled differential pairs, component-loop area, and grounding around the exposed thermal pad. The exact pin assignments and layer-specific layout guidance should be taken from the manufacturer datasheet corresponding to the ordered suffix.
This product overview combines the confirmed VSC8541 family capabilities, package information, interface options, and hardware-design guidance with practical guidance for Ethernet PCB implementation. It also distinguishes the documented ordering variants that can be evaluated when an existing VSC8541XMV design requires a replacement.
直接替換替代品，適用於 VSC8541XMV — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
VSC8541XMV-05
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMV-03
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMV-02
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMV-01
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMV-04
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
VSC8541XMV 規格
| Product Type | Single-port Gigabit Ethernet copper PHY |
| Supported Ethernet Rates | 10/100/1000BASE-T |
| Number of Ports | 1 port |
| Media Type | Copper twisted pair |
| MAC Interface Options | GMII, RGMII, MII, and RMII |
| Energy Efficient Ethernet | Supported |
| Wake-on-LAN | Supported |
| Synchronous Ethernet | Supported |
| Package Type | QFN-68 |
| Package Dimensions | 8 x 8 mm |
| 安裝類型 | Surface mount |
| Device Family | VSC8541 |
| Maximum Copper Link Rate | 1000BASE-T |
| Interface Count | 4 interface options |
VSC8541XMV 8 x 8 mm 腳位配置指南
VSC8541XMV（8 x 8 mm 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： VSC8541XMV.
請參閱 資料表 以查看完整腳位配置。
典型應用
VSC8541XMV 適用於 6 應用s: Industrial Ethernet Gateway, Carrier Ethernet Equipment, Network Interface Card, Embedded Linux Platform, Telecommunications Access Equipment, Networked Test and Measurement Instrument.
Industrial Ethernet Gateway
The VSC8541XMV fits an industrial Ethernet gateway that must connect an embedded processor or control board to a 10/100/1000BASE-T network. Its single copper port, selectable GMII/RGMII/MII/RMII interfaces, and 8 x 8 mm QFN-68 package conserve board area in compact DIN-rail and edge systems. EEE can reduce energy use during idle periods, while Wake-on-LAN supports remote maintenance and device wake-up. Confirm the ordered suffix's temperature range before using it in industrial temperature zones.
推薦
Carrier Ethernet Equipment
The VSC8541XMV is appropriate for carrier and telecommunications access equipment requiring copper Ethernet connectivity with synchronization capability. Synchronous Ethernet enables packet equipment to operate relative to a common timing reference, while GMII and RGMII provide high-bandwidth paths for network processors and switches. Its single-port 10/100/1000BASE-T configuration and compact QFN-68 footprint support space-constrained line-card and access-node designs.
推薦
Network Interface Card
A PCIe or embedded network interface card can use the VSC8541XMV when backward compatibility with 10, 100, and 1000 Mb/s copper links is required. The four available MAC interfaces allow selection according to host-controller speed and pin availability, while EEE lowers power consumption when traffic is light. The small QFN-68 package leaves routing space for magnetics, isolation, connectors, and other interface-card components, but high-speed layout must follow the manufacturer's reference guidance.
推薦
Embedded Linux Platform
The VSC8541XMV suits embedded Linux platforms that need a compact Gigabit Ethernet front end beside a processor or module. RGMII can provide a high-throughput parallel connection on suitable processor platforms, while RMII offers a lower-pin-count option for simpler controllers. SyncE is useful when the platform participates in synchronized network timing, and Wake-on-LAN assists remote administration. The exact interface voltage, reset requirements, and clock configuration must follow the ordered revision's datasheet.
推薦
Telecommunications Access Equipment
The VSC8541XMV can support copper access, subscriber, or service-node interfaces where a single 10/100/1000BASE-T port is required. Its SyncE feature is particularly relevant to telecommunications equipment that must align Ethernet timing with the wider transport network. The compact 68-pin QFN package also allows the PHY to be placed close to its network magnetics, supporting controlled differential routing and a smaller overall access-node footprint.
推薦
Networked Test and Measurement Instrument
The VSC8541XMV can add copper Ethernet connectivity to a test, measurement, or laboratory instrument that needs remote control and data transfer. Supporting 1000BASE-T reduces transfer time for large datasets, while lower-rate compatibility allows connection to existing management networks. RMII or MII may be useful where the instrument's controller has limited high-speed I/O, and Wake-on-LAN can simplify remote recovery. Board qualification should include thermal, EMC, and Ethernet cable-compatibility testing.
推薦
推薦產品摘要
工程參考資料，適用於 VSC8541XMV — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | VSC8541XMV-05 | VSC8541XMV-03 | VSC8541XMV-02 | VSC8541XMV-01 | VSC8541XMV-04 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
主要差異化特點
- Four parallel-interface choices in one copper PHY (對比VSC8541XMV-01)
- Documented industrial-temperature ordering option (對比VSC8541XMV-01)
- Single-port Gigabit copper integration in a compact package (對比VSC8541XMV-04)
設計說明
Use the Microchip VSC8541 Hardware Design Checklist as the primary layout reference. Route the copper differential pairs as controlled-impedance nets with a continuous reference plane, minimize stubs and layer transitions, and keep the PHY-to-magnetics path compact. Place the magnetics close to the cable-side connector, provide the required copper network, and avoid routing sensitive digital signals beneath the high-speed differential pairs.
Follow the manufacturer recommendation for decoupling and connect the exposed-pad and ground structure exactly as shown in the applicable package drawing. Each supply domain should have its local ceramic bypass capacitor positioned near the corresponding PHY pins, with short and low-loop-area connections. Verify capacitor voltage rating, DC-bias derating, and the exposed-pad connection before releasing the PCB for fabrication.
Select the MAC interface according to controller capability and design margin. RGMII supports a high-throughput parallel interface, while RMII simplifies connections where pin count is more important. Account for clock timing, input impedance, signal amplitude, and trace-length rules in the manufacturer interface guidance. Add source termination only where the reference design specifies it rather than placing series resistors on every interface signal by default.
Do not treat every VSC8541 suffix as electrically identical without checking its ordering information. Confirm the exact MPN, temperature grade, configuration, supply limits, and revision-specific pin table before substituting one code for another. Also avoid designing around a generic 68-pin QFN drawing: use the dimensions, pad layout, exposed-pad geometry, and recommended land pattern from the package documentation corresponding to the ordered device.
合規資訊
The manufacturer product page and datasheet title confirm the VSC8541 family and copper PHY functionality, but the cited material does not provide explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals status for the target ordering code. AEC-Q100 is not applicable to this Ethernet PHY unless a separate automotive-qualified ordering variant is explicitly identified.
