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PCI Express® to Serial RapidIO® Bridges

IDT is the industry’s leading supplier of RapidIO and PCI Express Interconnect solutions, providing a broad portfolio of switches, bridges, IP and development platforms for defense, aerospace, video, imaging and wireless markets.

The Tsi721 is IDT’s solution for hardware based PCIe Gen 2 to RapidIO Gen 2 protocol conversion in a bridging device. The Tsi721 converts from PCIe to RapidIO and vice versa and provides full line rate bridging at 20 Gbaud. Using the Tsi721, designers can develop heterogeneous systems that leverage the peer-to-peer networking performance of RapidIO while at the same time using multiprocessor clusters that may only be PCIe enabled. Using the Tsi721, applications that require large amounts of data transferred efficiently without processor involvement can be executed using the full line rate block DMA+Messaging engines of the Tsi721.

The IDT Tsi620 provides the functionality of both a RapidIO switch and a non-transparent RapidIO-to-PCI bridge. The RapidIO switch offers 50 Gbps aggregate bandwidth, while the RapidIO-to-PCI bridge enables legacy systems to link to the high-bandwidth RapidIO interconnect. The Tsi620 contains all the benefits of the IDT RapidIO Tsi switch family and adds interfaces to PCI-enabled processors, as well as an interface to low-cost FPGAs using a XGMII interface for the physical layer that transmits RapidIO at the logical layer at up to 10 Gbps.

For detailed information about Serial RapidIO Tools, visit

Video: Introduction to Serial RapidIO


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InterfaceThroughput (Gbps)Cut Through Latency (ns)Pkg. Type
Tsi620 User ManualTsi620 - Block DiagramTSI620
RapidIO Bridge
Tsi721 DatasheetTsi721 - Block DiagramTSI721
RapidIO Bridge