PCI Express® x8 Connector
Module Length 139/149mm
Option Rear I/O Differential Signals
Description du produit


CompactPCI® Serial • XMC Module Carrier
PCIe® x8 • Full Length 149mm XMC Module
Differential Pair Signals Rear I/O Option


The SK5-BALL is a peripheral slot board for CompactPCI® Serial systems and acts as carrier card for an XMC-style mezzanine module. XMC modules a re specified by ANSI/VITA 42, as an advanced replacement for PMC modules. While using a similar form factor as PMC cards, XMC modules are provided with a PCI Express® interface. The SK5-BALL can be used together with 74x149mm2 full length or 74x139mm2 short length XMC mezzanine cards.

The SK5-BALL is equipped with a bidirectional 8-lane PCI Express® Gen3 redriver, for optimum high speed signal integrity, and should be installed into a fat pipe peripheral slot of a CompactPCI® Serial backplane. As an option, the SK5-BALL can be populated with rear I/O connectors. The XMC carrier connector J16 signals are available across the CompactPCI® Serial backplane connectors P4/P5, and J14 has been routed to P3.


The SK5-BALL requires at least a single PCI Express® lane from the backplane, passed over across the connector P1 to a PCIe redriver circuit. Up to eight PCI Express® lanes are supported, when the SK5-BALL is installed into a CompactPCI® Serial fat pipe peripheral slot (P1/P2 backplane connectors in use). With a total link bandwidth of 64Gbps, even very demanding applications can be realized, such as a 10/40GBps Ethernet or USB 3.1 XMC mezzanine module e.g.

The on-board 8-lane bidirectional redriver is suitable up to 8.0Gbps (PCIe 3.0) data transfer rate per lane, and ensures optimum signal integrity (wider opening with respect to the eye diagrams). The XMC module connector J15 is directly tied to the redriver circuit. In addition, a zero delay PCIe Gen3 clock buffer is provided on-board. The SK5-BALL front panel is covered by a 17.5mm protruding metal shell, which allows 149mm full length XMC mezzanine modules to be accommodated.

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