88E1548PA0-BAM2I000 - Quad Gigabit Ethernet PHY | Marvell
N.º de pieza: 88E1548PA0-BAM2I000 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.8 | $168,00 |
| 100 | $14.95 | $1.495,00 |
| 500 | $13.4 | $6.700,00 |
| 1.000 | $11.95 | $11.950,00 |
88E1548PA0-BAM2I000 Descripción general
A Gigabit Ethernet PHY (Physical Layer device) is a transceiver IC that sits between the Ethernet MAC (Media Access Controller) and the copper medium, handling symbol encoding/decoding, echo cancellation, cross-talk mitigation, and link training per IEEE 802.3. The PHY resides below the data link layer in the OSI model and is essential for translating digital packet information into analog signals suitable for transmission over twisted-pair copper cabling. Modern PHYs integrate auto-negotiation, crossover detection (Auto-MDIX), and Energy Efficient Ethernet (IEEE 802.3az) to minimize idle power.
Key features of the 88E1548 include four independent 10/100/1000 Mbps transceivers in a single package, integrated MDI termination resistors reducing external BOM, Energy Efficient Ethernet (EEE) support per IEEE 802.3az, automatic crossover detection (Auto-MDIX), and programmable LED outputs per port. It supports GMII, RGMII, SGMII, and SerDes MAC interfaces for flexible MAC connectivity. Marvell's Virtual Cable Tester (VCT) diagnostic capability enables cable fault detection in the field.
The 88E1548 architecture pairs DSP-based adaptive equalization with pulse-shaping filters to support cable reaches of up to 100 meters over CAT5e/CAT6. Each channel has its own echo canceller, near-end crosstalk (NEXT) canceller, and far-end crosstalk (FEXT) canceller. The device is fabricated in a low-power CMOS process and supports the IEEE 1149.1 JTAG boundary-scan test standard. A 25 MHz reference clock or 125 MHz derived clock drives the internal PLLs for all four channels simultaneously.
Typical applications include multi-port gigabit switches (4/8/16/24-port configurations), enterprise routers, Network Attached Storage (NAS), wireless access points with multi-Gig uplink ports, and industrial Ethernet equipment. The high port density of a single 88E1548 replacing four discrete single-port PHYs significantly reduces PCB area, BOM cost, and power consumption in stackable switch designs.
When designing with this device, allocate sufficient PCB area for the 196-ball TFBGA 15x15 mm package and follow Marvell's reference design layout rules for the analog front-end magnetics. Decoupling must include bulk capacitors near each analog supply pin and 0.01 uF ceramics at every digital supply pin to manage simultaneous switching noise across all four channels. This page synthesizes distributor pricing, Marvell Alaska 88E154x family pin-compatible variants, and practical switch-design layout notes not found in the standalone datasheet.
Alternativas directas para 88E1548PA0-BAM2I000 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
88E1548-A1-BAM2C000
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
88E1545PA0-BAM2I000
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88E1543PA0-BAM2I000
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88E1548-A0-BAM2C000
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
88E1548PA0-BAM2I000 Especificaciones
| Función | Quad-port 10/100/1000 Mbps Ethernet PHY Transceiver |
| Number of Ports | 4 (independent channels) |
| Data Rate per Port | 10/100/1000 Mbps |
| Standards Compliance | IEEE 802.3, IEEE 802.3az (EEE), IEEE 1149.1 JTAG |
| Cable Support | 1000BASE-T/100BASE-TX (CAT 5), 10BASE-T (CAT 3/4/5) |
| MAC Interface | GMII, RGMII, SGMII, SerDes (per port) |
| Auto-MDIX | Yes (automatic crossover detection) |
| Energy Efficient Ethernet | Yes (IEEE 802.3az) |
| Cable Diagnostics | Marvell VCT (Virtual Cable Tester) |
| Encapsulado | 196-pin TFBGA (15x15 mm) |
| Tipo de montaje | Surface Mount |
| Reference Clock | 25 MHz external crystal or oscillator |
| Estado RoHS | Compliant |
| JTAG Support | IEEE 1149.1 boundary scan |
Configuración de pines de 88E1548PA0-BAM2I000
| Pin A1 | PORT0_MDI_P0 — Port 0 Ethernet MDI differential pair positive |
| Pin A2 | PORT0_MDI_N0 — Port 0 Ethernet MDI differential pair negative |
| Pin A3 | PORT0_MDI_P1 — Port 0 Ethernet MDI differential pair positive |
| Pin A4 | PORT0_MDI_N1 — Port 0 Ethernet MDI differential pair negative |
| Pin A5 | PORT0_MDI_P2 — Port 0 Ethernet MDI differential pair positive |
| Pin A6 | PORT0_MDI_N2 — Port 0 Ethernet MDI differential pair negative |
| Pin A7 | PORT0_MDI_P3 — Port 0 Ethernet MDI differential pair positive |
| Pin A8 | PORT0_MDI_N3 — Port 0 Ethernet MDI differential pair negative |
| Pin B1 | AVDD — Analog supply voltage |
| Pin B2 | PORT1_MDI_P0 — Port 1 Ethernet MDI differential pair positive |
| Pin B3 | PORT1_MDI_N0 — Port 1 Ethernet MDI differential pair negative |
| Pin B4 | PORT1_MDI_P1 — Port 1 Ethernet MDI differential pair positive |
| Pin B5 | PORT1_MDI_N1 — Port 1 Ethernet MDI differential pair negative |
| Pin B6 | PORT1_MDI_P2 — Port 1 Ethernet MDI differential pair positive |
| Pin B7 | PORT1_MDI_N2 — Port 1 Ethernet MDI differential pair negative |
| Pin B8 | PORT1_MDI_P3 — Port 1 Ethernet MDI differential pair positive |
| Pin C1 | PORT2_MDI_P0 — Port 2 Ethernet MDI differential pair positive |
| Pin C2 | PORT2_MDI_N0 — Port 2 Ethernet MDI differential pair negative |
| Pin C3 | PORT2_MDI_P1 — Port 2 Ethernet MDI differential pair positive |
| Pin C4 | PORT2_MDI_N1 — Port 2 Ethernet MDI differential pair negative |
| Pin C5 | AVDD — Analog supply voltage |
| Pin C6 | PORT3_MDI_P0 — Port 3 Ethernet MDI differential pair positive |
| Pin C7 | PORT3_MDI_N0 — Port 3 Ethernet MDI differential pair negative |
| Pin C8 | PORT3_MDI_P1 — Port 3 Ethernet MDI differential pair positive |
Aplicaciones típicas
88E1548PA0-BAM2I000 es adecuado para 6 aplicacións: Multi-Port Gigabit Ethernet Switch, Enterprise Router / Gateway, Network Attached Storage (NAS), Wireless Access Point with Multi-Gig Uplink, Industrial Ethernet Switch / Factory Automation, Server Network Interface Card (NIC).
Multi-Port Gigabit Ethernet Switch
The 88E1548PA0-BAM2I000 is purpose-built for 4/8/16-port managed and unmanaged Gigabit Ethernet switches used in enterprise, SMB, and prosumer networking gear. Its four independent 10/100/1000 Mbps transceivers integrate MDI resistors, echo/NEXT/FEXT cancellers, and adaptive equalization, replacing four discrete single-port PHYs with a single 196-TFBGA device. This drops BOM cost by 30-50% and reduces PCB area per port. Compared to a Microchip KSZ9031RNX quad-PHY design, the Alaska 88E1548 adds Marvell's Virtual Cable Tester (VCT) for field cable diagnostics, valuable for managed switches. Use it as the PHY layer behind a switch ASIC or SoC with GMII/RGMII/SGMII MAC interfaces.
Recomendado
Enterprise Router / Gateway
Enterprise routers, VPN gateways, and SD-WAN appliances use the 88E1548PA0-BAM2I000 to provide four LAN-side Gigabit Ethernet ports alongside WAN uplink connectivity. Its support for Energy Efficient Ethernet (IEEE 802.3az) reduces idle power by up to 70% per port when link traffic is light, critical for always-on gateway products where power consumption and thermal budget matter. The integrated Auto-MDIX eliminates the need for crossover cables on any port, simplifying end-user deployment. The 196-TFBGA 15x15 mm footprint fits inside compact router enclosures while the Marvell VCT cable diagnostic helps installers identify cabling faults remotely.
Recomendado
Network Attached Storage (NAS)
Multi-bay Network Attached Storage enclosures use the 88E1548PA0-BAM2I000 to provide the four Gigabit Ethernet LAN ports that aggregate storage throughput across multiple users. The quad-port integration lets a 4-bay NAS deliver up to 4 Gbps aggregate link bandwidth via port trunking (LACP) without quadrupling PCB area. Per the Marvell Alaska 88E154x datasheet, each channel supports CAT5e cable reaches up to 100m with adaptive equalization, important for NAS units deployed in mixed-cable home and small-business environments. The device's low idle power via IEEE 802.3az EEE aligns with always-on NAS power budgets.
Recomendado
Wireless Access Point with Multi-Gig Uplink
Tri-band Wi-Fi 6/6E access points and mesh routers use the 88E1548PA0-BAM2I000 to provide the multi-Gigabit Ethernet uplink ports that aggregate backhaul traffic from multiple Wi-Fi radios. With four Gigabit channels, a single PHY supports a 2.5G/5G/6G Wi-Fi aggregation link plus three downstream Gigabit ports for mesh node backhaul, daisy-chaining, or wired clients. The Marvell Alaska 88E1548 supports jumbo frames up to 9 KB, important for high-throughput wireless bridges. Compared to using four discrete single-port PHYs, the 196-TFBGA single-chip solution simplifies AP thermal management and reduces total cost by 25-40%.
Recomendado
Industrial Ethernet Switch / Factory Automation
Hardened industrial Ethernet switches deployed in factory automation, process control, and outdoor networking use the 88E1548PA0-BAM2I000 to provide reliable quad-port Gigabit connectivity on the factory floor. The Alaska PHY family supports industrial temperature ranges and IEEE 802.3az EEE for energy savings in 24/7 industrial environments. Marvell's VCT cable diagnostics allow remote identification of cable faults in long-run industrial cabling, reducing maintenance truck rolls. The 196-TFBGA package is suitable for conformal-coated industrial PCBs when paired with proper potting and sealing of the enclosure.
Recomendado
Server Network Interface Card (NIC)
Quad-port server network interface cards (NICs) and converged network adapters use the 88E1548PA0-BAM2I000 to deliver four Gigabit Ethernet ports on a single add-in card. The quad-port Alaska PHY reduces the silicon footprint, BOM, and per-port power compared to four discrete PHYs, enabling dense multi-port NIC designs in PCIe form factors. SGMII/SerDes MAC interface support allows direct connection to server-grade NIC ASICs and SoCs without an intermediate GMII bridge. Per the Marvell Alaska 88E154x datasheet, IEEE 802.1Q VLAN and jumbo frame support make it suitable for virtualized server environments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para 88E1548PA0-BAM2I000 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 88E1548-A1-BAM2C000 | 88E1545PA0-BAM2I000 | 88E1543PA0-BAM2I000 | 88E1548-A0-BAM2C000 | BCM5464SA1KFBG |
|---|---|---|---|---|---|---|
| Package | 196-TFBGA (15x15 mm) | 196-TFBGA (15x15 mm) - same | 196-TFBGA (15x15 mm) - same | 196-TFBGA (15x15 mm) - same | 196-TFBGA (15x15 mm) - same | 196-TFBGA - same package size, different ball map |
| Brand | Marvell | Marvell (same) | Marvell (same) | Marvell (same) | Marvell (same) | Broadcom (cross-brand) |
| Number of Ports | 4 | 4 | 4 | 2 (dual-port variant, -50%) | 4 | 4 |
| Data Rate per Port | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps | 10/100/1000 Mbps |
| EEE (IEEE 802.3az) Support | Yes | Yes | Yes (reduced features) | Yes | Yes | Yes |
| MAC Interface | GMII/RGMII/SGMII/SerDes | GMII/RGMII/SGMII/SerDes | GMII/RGMII/SGMII/SerDes | GMII/RGMII/SGMII/SerDes | GMII/RGMII/SGMII/SerDes | GMII/RGMII/SGMII (no SerDes) |
| Cable Diagnostics (VCT) | Marvell VCT | Marvell VCT | Marvell VCT | Marvell VCT | Marvell VCT | Broadcom CableDiag |
| JTAG (IEEE 1149.1) | Yes | Yes | Yes | Yes | Yes | Yes |
| Auto-MDIX | Yes | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Quad-port integration in single 196-TFBGA (frente a Realtek RTL8211F (single-port))
- Marvell Virtual Cable Tester (VCT) cable diagnostics (frente a Broadcom BCM5464SA1KFBG)
- Full SerDes MAC interface support (frente a Broadcom BCM5464SA1KFBG)
Notas de diseño
The 196-pin TFBGA (15x15 mm) package requires careful PCB design: 4-layer stack-up with dedicated ground plane adjacent to the BGA, microvia-in-pad recommended for the inner balls, and 0.8 mm pitch BGA escape routing. Place four Ethernet magnetics modules (one per port) within 25 mm of the MDI balls to minimize common-mode emissions. Follow Marvell's reference design layout rules in the Alaska 88E154x datasheet for the analog front-end.
Provide bulk decoupling (10 uF ceramic + 100 uF tantalum/polymer) at each of the four analog supply (AVDD) pins and 0.01 uF ceramic at every digital supply pin. Use ferrite beads to isolate analog and digital supplies if sourced from a common rail. Power sequencing must follow the Marvell datasheet recommendation: AVDD before DVDD, with no more than 50 ms rise-time difference. Estimated: each of four channels at full 1000BASE-T link draws roughly 0.4-0.6 W, so total PHY power at full load approaches 2 W across all four ports.
Route the GMII/RGMII MAC interface traces with 50 ohm controlled impedance and length-matching within 150 mils across the 12-bit data bus to preserve timing margins. Keep MAC traces away from the MDI analog ball rows; place a ground strip between MAC and MDI regions. JTAG boundary scan signals (TCK/TMS/TDI/TDO/TRST) should be routed together with a ground guard trace. The 25 MHz reference clock trace must be short, length-matched, and guarded with ground on both sides to minimize jitter.
Do NOT use a single 25 MHz clock source to drive multiple 88E1548 devices without a clock buffer - phase noise and crosstalk can cause link failures. Always configure the MDIO/MDC management interface correctly via the PHY hardware strap pins before firmware load. Ensure proper magnetics selection with center-tap capacitor on the PHY side, not the cable side, to comply with IEEE 802.3. Do not omit the Marvell VCT calibration routine during factory test - it identifies cable faults not visible via standard link diagnostics.
Información de cumplimiento
RoHS compliant per Marvell product documentation. Not AEC-Q100 qualified - this is a commercial/industrial PHY. Halogen-free status not explicitly stated in verified data.
