SS05-0B00-00 - PEX88048 PCIe Gen5 Switch IC | Broadcom
N.º da peça: SS05-0B00-00 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
SS05-0B00-00 Visão geral
A PCI Express switch is a high-speed serial interconnect device that fans out a single PCIe upstream port to multiple downstream endpoints, enabling point-to-point topologies beyond the limits of a single root complex or endpoint. PCIe switches belong to the broader hierarchy of interconnect ICs -> bus controllers -> peripheral interface ICs -> integrated circuits. Each successive PCIe generation doubles the per-lane data rate, and Gen5 raises the lane rate to 32 GT/s (GigaTransfers per second), which translates to roughly 3.94 GB/s of usable bandwidth per direction per lane (after 128b/130b encoding overhead). A switch such as the PEX88048 therefore provides the bandwidth fan-out required by modern NVMe-oF, GPU pooling, and composable infrastructure designs.
Key features of the SS05-0B00-00 include 48 PCIe lanes, advanced error reporting with ECRC and completion-timeout handling, support for hot-plug, surprise-down, and power-management states (L0s, L1, L2), and integrated reference-clock forwarding and isolation. The die exposes multiple NT ports that can be configured as upstream, downstream, or cross-link endpoints, allowing flexible fabric topologies such as tree, dual-fabric, or mesh. The PEX88000 series is the natural upgrade path from earlier PEX87xxx and PEX97xxx switch generations in Broadcom's roadmap.
Typical applications for the SS05-0B00-00 include PCIe Gen5 NVMe SSD switching in high-density storage servers, GPU-to-GPU or GPU-to-host interconnects in accelerated-compute platforms, fabric switches in composable disaggregated infrastructure (CDI), and high-speed I/O expansion for AI training racks. The device's lane budget and Gen5 support make it appropriate when applications require >100 GB/s of aggregated bandwidth across the switch.
When designing with this device, pay close attention to the PCIe reference-clock architecture and the PCB stackup required to sustain 32 GT/s signaling with acceptable insertion loss. Reference-clock jitter, return loss, and intra-pair skew budgets must be validated against the relevant PCI-SIG Gen5 CEM and system-board specifications. Thermal design must account for the full hot-spot dissipation of the BGA package under maximum-lane, maximum-payload traffic conditions.
This page synthesizes distributor pricing, drop-in alternatives, application notes, and design considerations not consolidated on Broadcom's product brief or the channel datasheet distributors surface, helping engineers move quickly from evaluation to bring-up on a PEX88048-based design.
Alternativas drop-in para SS05-0B00-00 — 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 SS05-0B00-00 (mesmo formato e footprint) — diferindo em RoHS Status, Hot-Plug Support, Management Interface, PCIe Generation, Package Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PEX88096B0-DB
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1145 / unidade
Ver ficha técnica →PEX88032B0-DB
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
SS05-0B00-00 Classificações máximas e características elétricas
| Product Type | PCI Express (PCIe) Switch IC |
| Series | PEX88000 |
| Underlying Die / Variant | PEX88048B0-DB |
| PCIe Generation | PCIe Gen5 (32 GT/s per lane, per distributor datasheet classification) |
| PCIe Lanes | 48 |
| Switch Topology | Multi-port NT (configurable upstream/downstream/cross-link) |
| Maximum Lane Rate | 32 GT/s (PCIe Gen5) |
| Faixa de temperatura de operação | 0 C to +70 C (commercial) |
| Package Type | BGA (surface-mount) |
| Tipo de montagem | Surface Mount |
| Packaging Media | Tray |
| Sub-Category | Interface - Analog Switches - Special Purpose (per Octopart classification) |
| Recursos | PCI Express Switch IC Channel |
| Status RoHS | Compliant (per distributor listing) |
| Family | SS05-0B00-00 / PEX88000 family |
Guia de Configuração de Pinos do SS05-0B00-00 bga (surface-mount)
Configuração de pinos para SS05-0B00-00 (pacote bga (surface-mount)). Este componente analógico possui pinos de entrada, saída e alimentação. Consulte o datasheet do fabricante para configurações de offset null, compensação e pino de enable. Ideal para circuitos de condicionamento de sinal e amplificadores.
Nenhum dado detalhado de pinagem disponível para SS05-0B00-00.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
SS05-0B00-00 é adequado para 6 aplicaçãos: PCIe Gen5 NVMe Storage Fabric, GPU / AI Accelerator Fabric, Composable Disaggregated Infrastructure (CDI) Switch, PCIe Gen5 I/O Expansion / IOV, Data Center Accelerator Pooling, High-Performance NVMe-oF / Storage Class Memory.
PCIe Gen5 NVMe Storage Fabric
The SS05-0B00-00 (PEX88048B0-DB) is a strong fit for PCIe Gen5 NVMe fan-out in high-density storage servers because its 48 Gen5 lanes (>180 GB/s aggregate) outpace Gen4 alternatives per lane. Placed downstream of a root complex, it fans out an x16 Gen5 upstream port into multiple x4 / x8 Gen5 downstream ports feeding NVMe SSDs. Designers validate hot-plug, surprise-down, and thermal envelopes against the PEX88000 datasheet before signing off.
Recomendado
GPU / AI Accelerator Fabric
Used as a fan-out switch in GPU training racks, the SS05-0B00-00 supplies the Gen5 lane budget and NT-port flexibility required to feed 8+ accelerators with peer-to-peer bandwidth. Compared with Gen4 designs, the 32 GT/s line rate reduces link-count overhead and keeps collective-comms latency budgets within reach. System architects pair it with retimer/redriver parts and validate Gen5 CEM compliance pre-tapeout.
Recomendado
Composable Disaggregated Infrastructure (CDI) Switch
The SS05-0B00-00 fits the role of fabric switch inside composable disaggregated infrastructure racks, where compute, storage, and memory resources are pooled over PCIe. Its Gen5 line rate and NT-port flexibility make it ideal for tree / dual-fabric topologies that connect pooled resources on demand. Operating-temperature, hot-plug, and surprise-down support are validated against the PEX88000 datasheet for production release.
Recomendado
PCIe Gen5 I/O Expansion / IOV
In hyperscale servers, the SS05-0B00-00 provides PCIe Gen5 expansion ports for accelerator cards, NICs, and CXL-style devices. Compared to a Gen4 PEX87xxx design, it allows more lanes at higher line rates per slot, reducing slot count and BOM. Single-root I/O virtualization (SR-IOV) personalities and VF arbitration must be validated per the PEX88000 datasheet.
Recomendado
Data Center Accelerator Pooling
Within an accelerator-pooling chassis, the SS05-0B00-00 acts as the Gen5 fabric switch that connects pooled GPUs or FPGAs to host servers at x16 Gen5 per link. The 48-lane budget supports several pooled accelerators across multiple hosts, enabling resource sharing without over-subscription. Validate PCIe Gen5 link-training, equalization, and receiver margins against the PEX88000 datasheet before sign-off.
Recomendado
High-Performance NVMe-oF / Storage Class Memory
Storage-class memory fabrics over NVMe-oF rely on the SS05-0B00-00 to maintain low-latency, high-bandwidth PCIe tunnels between pooling appliances and host servers. The Gen5 line rate substantially raises per-cable bandwidth versus Gen4 NVMe-oF fabrics, reducing cable or fiber count per appliance. Confirm NVMe-oF controller alignment, support for surprise-removal events, and platform power management states against the PEX88000 datasheet.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para SS05-0B00-00 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PEX88096B0-DB | PEX88032B0-DB |
|---|---|---|---|
| Brand | Broadcom | Broadcom | Broadcom |
| Package | BGA (PEX88000 family) | BGA (PEX88000 family) | BGA (PEX88000 family) |
| PCIe Generation | Gen5 (32 GT/s) | Gen5 (32 GT/s) | Gen5 (32 GT/s) |
| PCIe Lanes | 48 | 96 (double the lanes of SS05-0B00-00) | 32 (-33% vs SS05-0B00-00) |
| Switch Architecture | PEX88048B0-DB, NT-port configurable | PEX88096B0, NT-port configurable | PEX88032B0, NT-port configurable |
| Operating Temperature Range | 0 C to +70 C | 0 C to +70 C (commercial family) | 0 C to +70 C (commercial family) |
| Packaging Media | Tray | Tray (PEX88000 family) | Tray (PEX88000 family) |
| Sub-Category | Interface - Analog Switch - Special Purpose (PCIe Switch) | Interface - PCIe Switch | Interface - PCIe Switch |
| Param Match (this MPN -> alternative) | 100% (reference) | 90% (lane upgrade, same family) | 70% (lane reduction, same family) |
Principais diferenciais
- 48-lane Gen5 PCIe switch built on PEX88048B0 silicon (vs PEX88032B0-DB)
- Right-sized lane count for mainstream Gen5 fan-out (vs PEX88096B0-DB)
- Same PEX88000 register interface for software reuse (vs Earlier PEX87xxx or PEX97xxx Gen4/Gen3 PCIe switches)
- BGA surface-mount package suited to high-density server PCBs (vs Generic BGA non-Broadcom PCIe switches)
Notas de projeto
Estimated: PCIe Gen5 signals at 32 GT/s are far more loss-sensitive than Gen4. Hold intra-pair skew below 5 ps, keep the differential reference-clock trace matched to within 100 um, and isolate the 100 MHz RefClk+ from noisy DC-DC regions with a guard trace. Use the PEX88000 datasheet's IBIS-AMI models during pre-layout channel analysis to avoid post-tape-out surprises; Gen5 retimer/redriver parts often must be inserted on long server-board traces.
Estimated: BGA power dissipation scales with lane count and payload utilization, and the SS05-0B00-00's BGA package has a thermal resistance profile that should be derived from the datasheet, not estimated. Build airflow margins for 70 C intake and provide a thermal relief pattern under the BGA to keep case temperature within the 0 C to +70 C commercial envelope under maximum Gen5 traffic. Heatsink attachment must avoid warpage that could breach BGA solder joints.
A common mistake is treating any 'PCIe switch' as pin-compatible across generations; the SS05-0B00-00 is only compatible with other PEX88000-family members in electrical and register terms. Another is omitting the sideband PERST#, REFCLK+, and sideband PERn0/PERp0 routing; missing sideband links cause link-training failures. Reference the manufacturer's reference schematic and follow the PERn/PERp pairing rules documented in the PEX88000 datasheet.
Estimated: a Gen5 PCIe switch can pull significant supply current in bursts during link-training, so bulk decoupling must be co-designed with the DC-DC regulator. Isolate PEX main rails from surrounding noisy rails with a ferrite + bulk cap bank, and respect the soft-start and ramp sequencing required by the PEX88000 datasheet. Hot-swap / hot-plug cabling should use inrush-limiting and pre-charge to avoid simultaneous hot-plug events triggering OVP.
Run a 3D EM simulation of the BGA breakout before tape-out: Gen5 PCB loss targets are typically < -1 dB/in at 16 GHz for the longest routes, and the BGA via field can dominate impedance if not co-designed with your stackup. Maintain a continuous reference plane beneath the PEX88048 lane traces and avoid splitting the plane under high-speed diffpairs. Validate S-parameter sweeps against Gen5 channel margin rather than Gen4 specifications.
Informações de conformidade
RoHS compliance surfaced by distributor listing; REACH, lead-free finish, halogen-free status, and full conflict-minerals declarations must be requested directly from Broadcom as a compliance certificate for qualification.
