Datasheet > PEX9797-B080BCG

PEX9797-B080BCG

更新时间： 2024-11-14 02:47:23

品牌	Logo	应用领域
博通 - BOARDCOM		PC
页数	文件大小	规格书
3页	214K
描述
Managed PCI Express Switches Based on ExpressFabricÂ® Technology

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PEX9797-B080BCG 数据手册

PEX9700 Series Switch Chips

Managed PCI Express Switches Based on

ExpressFabric® Technology

Product Brief

Converge Servers and IO controllers with PCIe

• Create cost-eﬀective high-availability hyperscale systems by enabling

communication between in-rack hosts and endpoints using PCIe

• Simplify connectivity while providing the highest PCIe switching

performance available for data center servers, storage, and networks

• Reduce latency, system complexity, and power consumption

by up to 50% in data-intensive environments

• Take advantage of industry-ﬁrst features for most demanding hyper-

converged, NVMe and rack scale systems

Broadcom PEX9700 switches allow customers to build high performance, low

latency, scalable, cost-eﬀective PCI Express-based fabrics. The switches enable

I/O sharing with standard SR-IOV or multifunction capability, allowing multiple

hosts or Nodes to reside on a single PCIe-based network. Hosts communicate

through Tunneled Window Connection (TWC), a special low latency host-to-

host communication capability for short packets.

General Features

• State-of-the-art switch fabric

−Sharing I/Os among multiple

hosts

− Low latency TWC

• Any port can be a host port or

Downstream (device) Port

Shared I/O Using Standards

PEX9700 switches allow the Virtual Functions (VFs) of SRIOV endpoints

(such as an Broadcom MegaRAID® SAS controller) to be shared and

assigned to multiple hosts concurrently. Each host can enumerate its

assigned functions using standard BIOS and OS software and use them with

unmodiﬁed vendor-supplied drivers. The use of standard system software

minimizes software support costs.

• Works with standard PCIe end-

points and hosts – and software,

as well as with existing application

software

• MSI-X support

• Allows ﬂexible fabric topologies

Software-Deﬁned Fabric

The switches are built on a hybrid hardware/software platform that oﬀers high

conﬁgurability and ﬂexibility in regards to the number of hosts, end-points,

and PCIe slots. The critical pathways have direct hardware support, enabling

the fabric to oﬀer non-blocking, line speed performance with features such

as I/O sharing. The solution is completed by management processor that

communicates with platform management via API and/or CLI. The solution

oﬀers an innovative approach to setup and control, making use of an oﬀ-

chip management CPU (mCPU) to initialize the PEX9700 switch, conﬁgure

the routing tables, handle errors, Hot-Plug events, and enable the solution to

extend the capabilities without modifying the system software.

Key Advantages

• PCI Express Switches

−12 to 97 Lanes with Integrated

on-chip SerDes

−5 to 25 Independent ports

−Designate any Port as the

Upstream Port

− Low-power SerDes (under 90

mW per Lane)

Tunneled Window Connection (TWC)

TWC allows short messages to be sent from one host to another in a very low

latency manner, and without the overhead associated with DMA.

− Device-Speciﬁc Relaxed Ordering

− Port conﬁguration

− Dedicated management port

for mCPU

PEX9700 Series Switch Chips

12 3

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与PEX9797-B080BCG相关器件

型号	品牌	获取价格	描述	数据表
PEXR72300D	VISHAY	获取价格	Fixed Resistor, Metal Foil, 10W, 0.723ohm, 0.5% +/-Tol, -5,5ppm/Cel, 7516
PEXR73200A	VISHAY	获取价格	Fixed Resistor, Metal Foil, 10W, 0.732ohm, 0.05% +/-Tol, -5,5ppm/Cel, 7516
PEXR73200B	VISHAY	获取价格	Fixed Resistor, Metal Foil, 10W, 0.732ohm, 0.1% +/-Tol, -5,5ppm/Cel, 7516
PEXR83500A	VISHAY	获取价格	Fixed Resistor, Metal Foil, 10W, 0.835ohm, 0.05% +/-Tol, -5,5ppm/Cel, 7516
PEZ140	VISHAY	获取价格	Plate Capacitors for Higher Voltages
PEZ14015KV1500PF+/-10%R85	VISHAY	获取价格	CAPACITOR, CERAMIC, 13000 V, 0.0015 uF, CHASSIS MOUNT
PEZ14015KV2500PF+/-10%R85	VISHAY	获取价格	CAPACITOR, CERAMIC, 13000 V, 0.0025 uF, CHASSIS MOUNT
PEZ140BJ15236BJ1	VISHAY	获取价格	CAP CER 1500PF 15KV R85 DISK
PEZ140BJ20236BJ1	VISHAY	获取价格	CAP CER 2000PF 15KV R85 DISK
PEZ140BJ25236BJ1	VISHAY	获取价格	CAP CER 2500PF 15KV R85 DISK

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