VSC8541XMV-01 - Gigabit Ethernet PHY | Microchip Technology
MPN： VSC8541XMV-01 ✓ 啟用中VSC8541XMV-01 概覽
An Ethernet physical-layer transceiver, commonly called an Ethernet PHY, converts logical digital data transmitted by a network controller into signals suitable for copper cabling. The VSC8541 belongs to the Gigabit Ethernet PHY hierarchy, where it sits between a MAC or other digital Ethernet controller and a transformer-coupled RJ45 network interface. Its single-port architecture targets space-constrained industrial, telecom, enterprise, and embedded systems while combining synchronization and energy-saving features in one mixed-signal device.
The principal features include support for 10, 100, and 1000 Mb/s operation over copper, EEE for lower-power links, Wake-on-LAN, Synchronous Ethernet, and four parallel MAC-interface options. Integrated line-side termination conserves board area and can reduce electromagnetic-interference sensitivity by eliminating external termination components. RGMII timing compensation avoids external delay-line components in suitable interface designs. The family documentation also identifies compatibility with DTE power supplied through the MDI, as described in IEEE 802.3af Clause 33.
The VSC8541 family is designed for systems where board area, power consumption, and network timing matter. Its range of supported MAC interfaces allows the same PHY family to serve equipment with different Ethernet controllers and legacy parallel interfaces. Synchronous Ethernet is useful when the network timing reference must remain aligned across multiple system functions, while EEE can reduce link energy use during periods of low traffic. Integrated termination and timing compensation further reduce the number of discrete components around the magnetics and MAC connection.
Typical applications include industrial Ethernet switches, telecom terminal equipment, carrier infrastructure, industrial automation controllers, compact network appliances, and embedded communications equipment. The 68-QFN 8 x 8 mm package reduces footprint compared with larger leaded or high-pin-count implementations, while its exposed pad supports heat transfer from the device into the PCB copper plane. The VSC8541XMV-01 is supplied in trays and is specified for a 0°C to 125°C operating-temperature range.
Hardware implementation should follow the VSC8541 Hardware Design Checklist and the VSC8541 Evaluation Board User Guide. Keep the PHY-to-magnetics and PHY-to-MAC paths short, provide continuous ground-plane return paths, and observe the layout and decoupling recommendations for the selected interface mode. The exposed pad requires a deliberate thermal and electrical pad-connection strategy rather than being left as an isolated thermal-only feature.
This product page combines the verified VSC8541 family capabilities, package and ordering information, interface details, related orderable variants, and implementation guidance into a design-focused reference. It also identifies the limits of drop-in sourcing: only candidates with a confirmed 68-QFN footprint and compatible pin arrangement are presented as alternatives.
直接替換替代品，適用於 VSC8541XMV-01 — 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。
此系列的變體
與下列產品可直接替換的同系列型號： VSC8541XMV-01 （相同外形與佔位） — 差異在於 Energy Efficient Ethernet, Synchronous Ethernet.
VSC8541XMV-05
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMVET-HP
✅ 直接替換📋 參考替代品（不在目錄中）
VSC8541XMV-01 規格
| Product Type | Single-port Gigabit Ethernet copper PHY |
| Supported Ethernet Rates | 10/100/1000BASE-T |
| Number of Ports | 1 port |
| MAC Interfaces | GMII/RGMII/MII/RMII |
| Energy Efficient Ethernet | EEE supported |
| Wake-on-LAN | Supported |
| Synchronous Ethernet | SyncE supported |
| Integrated Line-Side Termination | Integrated |
| RGMII Timing Compensation | Integrated |
| 封裝 | 68-QFN (8 x 8 mm) |
| Exposed Thermal Pad | Yes |
| 安裝類型 | Surface mount |
| 工作溫度 | 0°C to 125°C |
| Power Classification Compatibility | IEEE 802.3af Clause 33 DTE power over MDI |
| Packaging | Tray |
| Device Category | Ethernet interface IC |
VSC8541XMV-01 68-qfn (8 x 8 mm) 腳位配置指南
VSC8541XMV-01（68-qfn (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-01.
請參閱 資料表 以查看完整腳位配置。
典型應用
VSC8541XMV-01 適用於 6 應用s: Industrial Ethernet Controllers, Telecom Terminal Equipment, Compact Network Switches, Carrier Infrastructure Equipment, Embedded Communications Equipment, Industrial Automation Gateways.
Industrial Ethernet Controllers
The VSC8541XMV-01 fits industrial controllers that require one Gigabit Ethernet copper port in a compact footprint. Its 10/100/1000BASE-T support accommodates legacy 10 Mb/s and 100 Mb/s links as well as Gigabit connections, while the 68-QFN 8 x 8 mm package saves board area. EEE can reduce link energy use during idle periods, and integrated line-side termination can reduce external component count. The specified 0°C to 125°C operating range is appropriate for many industrial environments, although the complete product still requires EMC, isolation, and environmental qualification.
推薦
Telecom Terminal Equipment
The VSC8541XMV-01 is suitable for space-constrained telecom and terminal equipment requiring a single copper Ethernet interface. Synchronous Ethernet provides a timing-oriented feature for systems that need deterministic synchronization, while GMII, RGMII, MII, and RMII options permit connection to different controller interfaces. The low-power PHY architecture and EEE support are valuable in continuously deployed equipment. Designers should use the VSC8541 Hardware Design Checklist to control high-speed layout, copper interfaces, magnetics connections, and exposed-pad thermal performance.
推薦
Compact Network Switches
The VSC8541XMV-01 can provide the copper physical layer for compact switches, bridges, and network interface modules that require one 10/100/1000BASE-T port. Its small 68-QFN 8 x 8 mm package supports dense PCB layouts, while integrated line-side termination and RGMII timing compensation can reduce external circuitry. EEE supports lower-power link operation and Wake-on-LAN can assist remote network management. The interface mode, clocking, MAC connection, and thermal strategy must be selected together because changing among MII, RMII, RGMII, and GMII affects both pin use and PCB signal integrity.
推薦
Carrier Infrastructure Equipment
The VSC8541XMV-01 is applicable to carrier infrastructure and line-terminal equipment that interfaces a Gigabit Ethernet controller to a copper network. Synchronous Ethernet is the defining consideration for timing-sensitive infrastructure because it supports synchronization related to the Ethernet physical layer. The interface flexibility allows integration with legacy MII or RMII controllers as well as RGMII or GMII-based designs. A robust implementation should preserve continuous return paths, isolate noisy circuits, and follow the manufacturer checklist for magnetics, termination, clocking, and exposed-pad connections.
推薦
Embedded Communications Equipment
The VSC8541XMV-01 suits embedded communications equipment that needs a compact Gigabit Ethernet port without a large leaded package. A single-port PHY is especially useful in gateways, embedded communication modules, and data-terminal equipment where board area is constrained. EEE helps reduce consumption during low-traffic periods, while the integrated line-side termination supports a cleaner copper-interface layout. Firmware must negotiate EEE and Wake-on-LAN correctly with the Ethernet controller, and the power architecture must account for the complete PHY, magnetics, and controller system rather than the PHY alone.
推薦
Industrial Automation Gateways
The VSC8541XMV-01 is a practical fit for industrial automation gateways that connect controllers or sensors to a 10/100/1000BASE-T network. Supporting all three common copper Ethernet rates improves compatibility with legacy plant equipment, and its 68-QFN package enables compact gateway designs. Wake-on-LAN can assist controlled remote operation, while EEE can improve power behavior in intermittently connected systems. Deployment decisions should also evaluate surge robustness, isolation, grounding, and enclosure temperature because those protections exist at the product and interface level rather than inside the PHY.
推薦
推薦產品摘要
工程參考資料，適用於 VSC8541XMV-01 — 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 | VSC8541XMVET-HP |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 68-QFN (8 x 8 mm) | 68-QFN (8 x 8 mm) | 68-lead VQFN |
| Device Type | Single-port Gigabit Ethernet copper PHY | Single-port Gigabit Ethernet PHY | Gigabit Ethernet PHY |
主要差異化特點
- Single-port integration in an 8 x 8 mm footprint (對比VSC8541XMVET-HP)
- Broad parallel MAC-interface support (對比VSC8541XMV-05)
- Timing and termination integration (對比VSC8541XMV-05)
設計說明
Follow the VSC8541 Hardware Design Checklist for the 68-QFN footprint, exposed-pad connection, decoupling, and copper interface. Keep the PHY-to-magnetics path short, provide a continuous ground reference beneath high-speed signals, and route clocks and data as a controlled group. Treat the 68-QFN pad pattern as the complete PCB footprint; do not substitute a generic 68-pin library footprint without checking exposed-pad dimensions and paste design.
Place power and ground connections directly adjacent to the relevant VSC8541 pins, and place required bypass capacitors at the device rather than along the supply path. The exposed pad must have a thermal-via strategy that balances solderability, assembly voiding risk, and heat transfer. Confirm the exact pad and via pattern against the current manufacturer land-pattern documentation before releasing artwork.
Select GMII, RGMII, MII, or RMII early because each mode changes the MAC connection, clocking arrangement, and PCB constraints. Integrated RGMII timing compensation can reduce external delay-line requirements in suitable designs, but it does not replace correct topology, controlled-impedance routing, or source-synchronous timing verification. Validate the selected interface with the manufacturer's evaluation-board layout as the primary reference.
Estimated: the device dissipates the electrical power generated internally plus power delivered into the copper interface; the actual junction rise depends on VIN, I/O current, ambient temperature, PCB copper, via count, and the thermal design of the magnetics. No package thermal-resistance figure was verified, so no junction-temperature number is asserted. Use the exposed pad as a heat-transfer feature and perform system-level thermal testing at the highest expected load and ambient temperature.
合規資訊
The verified records describe commercial Ethernet PHY ordering information but do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. IEEE 802.3af Clause 33 is a power-classification compatibility reference, not a product compliance qualification.
