VSC8514XMK-03 Quad-Port Gigabit Ethernet PHY | Microchip
N.º da peça: VSC8514XMK-03 ✓ AtivoVSC8514XMK-03 Visão geral
A Gigabit Ethernet PHY is a physical-layer transceiver that converts digital data from a network controller into electrical signaling for copper Ethernet connections and recovers incoming signals for the MAC. The VSC8514 belongs to the broader Ethernet interface hierarchy, combining four PHY channels, clocking and synchronization functions, and serial interfaces into one multi-port networking IC.
The principal feature is four-port integration in one package. This allows one device to support multiple copper Ethernet links rather than requiring four separate single-port PHYs. Synchronous Ethernet provides a common timing reference for network equipment, while QSGMII support enables connection to a compatible Ethernet MAC through a high-speed serial interface. The family also supports TDM backhaul and carrier-oriented network designs.
The 138-QFN construction concentrates substantial connectivity in a compact 12 x 12 mm area. Its many pins provide power, ground, digital interfaces, analog PHY channels, clocking, and control functions. Because the package has numerous pins and requires clean high-speed layout, careful decoupling, controlled return paths, and uninterrupted reference-plane design are essential for reliable Ethernet performance.
Typical deployments include broadband gateways, enterprise network equipment, data-center systems, wireless base stations, and other carrier access platforms. A four-port PHY is particularly useful where panel space, component count, and power-management complexity make multiple discrete PHYs less attractive. The QSGMII interface can also reduce parallel bus wiring compared with connecting each PHY independently to an external MAC.
When designing around this device, use the manufacturer pin description and layout guidance as the authoritative references for every signal and supply connection. Confirm the exact -03 ordering code, supported operating mode, and board-level magnetics requirements against the VSC8514 datasheet. Production designs should also validate thermal performance, Ethernet compliance, startup sequencing, and signal integrity across temperature and cable-length conditions.
This product record combines the manufacturer family description with distributor package and ordering information, then adds application guidance, parameter comparison, and PCB-focused selection advice for engineers evaluating a four-port Gigabit Ethernet PHY on a new carrier or enterprise platform.
Alternativas drop-in para VSC8514XMK-03 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com VSC8514XMK-03 (mesmo formato e footprint) — diferindo em Package.
VSC8514XMK
✅ Drop-InConsulte o preço
Ver ficha técnica →VSC8514XMK-11
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
VSC8514XMK-03 Especificações
| Product Type | Quad-port Gigabit Ethernet PHY |
| Supported Ethernet Speeds | 10 Mb/s, 100 Mb/s, and 1000 Mb/s |
| Port Count | 4 ports |
| Tensão de alimentação | 3.3 V |
| Encapsulamento | 138-pin QFN, 12 x 12 mm |
| Tipo de montagem | Surface mount |
| Synchronous Ethernet | Supported |
| QSGMII MAC Interface | Supported |
| TDM Backhaul | Supported |
| Carrier Application Support | Supported |
| Faixa de temperatura de operação | -40 C to +110 C |
| Power Management | Low-power operation |
| Ethernet Physical Layer | 10BASE-T, 100BASE-TX, and 1000BASE-T |
| Green Compliance | RoHS compliant |
| Manufacturer Qualification | Telecom IC signal conditioner |
| Contagem de pinos | 138 pins |
| AEC-Q100 Status | Not applicable |
Guia de Configuração de Pinos do VSC8514XMK-03 138-pin qfn, 12 x 12 mm
Configuração de pinos para VSC8514XMK-03 (pacote 138-pin qfn, 12 x 12 mm). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para VSC8514XMK-03.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
VSC8514XMK-03 é adequado para 6 aplicaçãos: Broadband Gateway, Enterprise Network Equipment, Wireless Base Station, Data-Center Network Interface, Carrier Ethernet Access Equipment, Industrial Ethernet Gateway.
Broadband Gateway
The VSC8514XMK-03 fits broadband gateways that need several Gigabit Ethernet service ports without allocating a separate PHY package to every copper link. Four integrated ports reduce PHY component count, while the 3.3 V supply and low-power operating approach align with compact customer-premises equipment. QSGMII connectivity provides a high-speed serial path to a compatible Ethernet MAC, and synchronous Ethernet supports common timing across the system. The 138-pin QFN still demands careful high-speed routing and thermal validation.
Recomendado
Enterprise Network Equipment
The VSC8514XMK-03 is appropriate for enterprise switches and network-edge equipment requiring four 10/100/1000 Mb/s copper links in a single device. Consolidating four PHY channels can simplify board partitioning and synchronize line-rate interfaces through the QSGMII connection. The 10 Mb/s and 100 Mb/s compatibility also supports mixed-speed access ports. Before release, validate link performance through the intended magnetics, connector, cable, and environmental test conditions.
Recomendado
Wireless Base Station
The VSC8514XMK-03 supports wireless base-station and carrier equipment requiring multiple Gigabit Ethernet backhaul or service connections. Its low-power multiport implementation can reduce board area compared with four discrete PHY devices, while synchronous Ethernet helps maintain consistent timing across the equipment. The 3.3 V architecture and TDM backhaul support align with carrier infrastructure. Thermal performance, EMI control, and Ethernet compliance must be verified for each base-station chassis and environmental class.
Recomendado
Data-Center Network Interface
The VSC8514XMK-03 can be evaluated for data-center systems requiring four Gigabit Ethernet physical-layer channels per device. Its QSGMII MAC connection supports a high-speed serial topology, and its integrated multiport architecture can reduce duplicated PHY circuitry. The family description identifies low-power operation for energy-conscious network equipment. System-level validation should cover power integrity, connector return loss, thermal rise, synchronization, and all supported copper cable categories.
Recomendado
Carrier Ethernet Access Equipment
The VSC8514XMK-03 is suitable for carrier Ethernet access platforms that combine multiple service ports with synchronized network timing. Its four Gigabit Ethernet channels support 10, 100, and 1000 Mb/s line rates, while synchronous Ethernet and TDM backhaul broaden its applicability within access infrastructure. The 138-pin QFN provides extensive connectivity but requires a disciplined escape-routing and decoupling strategy. Confirm regional carrier, safety, environmental, and interoperability requirements before production approval.
Recomendado
Industrial Ethernet Gateway
The VSC8514XMK-03 can serve industrial gateways that bridge several Gigabit Ethernet networks to an embedded controller or communications processor. The four integrated PHYs provide flexible port counts, and QSGMII creates a compact interface to a compatible MAC. Low-power operation may help in unattended equipment, while the wide -40 C to +110 C family temperature range supports demanding environments. Validate EMC, surge robustness, grounding, and thermal behavior for the enclosure and external cabling.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para VSC8514XMK-03 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | VSC8514XMK | VSC8514XMK-11 |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 138-QFN (12 x 12 mm) | 138-QFN (12 x 12 mm) | 138-QFN (12 x 12 mm) |
| Pin Count | 138 pins | 138 pins | 138 pins |
Principais diferenciais
- Four Gigabit Ethernet PHY channels in one package (vs VSC8514XMK)
- QSGMII MAC integration (vs VSC8514XMK-11)
- Broad carrier-oriented feature set (vs VSC8514XMK)
Notas de projeto
Treat the QSGMII and Ethernet differential routes as high-speed controlled-impedance nets. Follow the Microchip VSC8514 layout guidance for trace geometry, layer transitions, pair separation, and via structure. Keep the 138-pin escape paths short, maintain continuous reference planes, and avoid routing signals beneath noisy power or isolation barriers. Confirm the final stack-up with signal-integrity simulation if the board uses nonstandard materials or layer spacing.
Plan separate connections for each required supply rail and use the manufacturer-prescribed bypass network at every applicable pin. Place the smallest recommended high-frequency capacitor close to the device and connect its ground return through a low-impedance path. Estimate board-level dissipation and rail droop under four simultaneous 1 Gb/s link loads, then verify the power source has adequate transient response during link startup and activity.
The 138-pin QFN concentrates four PHY channels and digital interfaces into a compact area. Use the manufacturer land pattern, exposed-pad assembly requirements, and recommended copper arrangement to spread heat. Calculate worst-case dissipation from actual rail voltage and link activity, then check junction-temperature margin at the highest ambient temperature. Avoid relying on a small local thermal via array without confirming its current capability and solder-assembly process.
Do not approve a replacement based only on the 138-QFN label. Compare the complete ordering information, signal names, analog parameters, temperature grade, configuration, and exposed-pad requirements for each suffix. In particular, verify VSC8514XMK, VSC8514XMK-03, and VSC8514XMK-11 against the current Microchip ordering table. Use the same revision of the manufacturer datasheet for schematic capture and library validation.
Informações de conformidade
RoHS compliance is identified for the VSC8514 family. The networking PHY is not an automotive device, so AEC-Q100 is not applicable. Other environmental and material declarations require confirmation from the manufacturer.
