NOTICE - The following device(s) are recommended alternatives:

The CPS-8, device number 80KSW0003, is a serial RapidIO switch whose functionality is central to routing packets for distribution among DSPs, processors, FPGAs, other switches, or any other S-RIO-based devices. It may also be used in serial RapidIO backplane switching. The CPS-8 supports serial RapidIO packet switching (unicast, multicast, and an optional broadcast) from any of its 8 input ports to any of its 8 output ports.

Learn more: IDT RapidIO Development Systems


  • 8 bidirectional serial RapidIO (sRIO) lanes v 1.3
  • Port Speeds selectable: 3.125Gbps, 2.5Gbps, or 1.25Gbps
  • Provides I2C port for maintenance and error reporting
  • Master or Slave Operation
  • 20 Gbps of peak switching bandwidth
  • Non-blocking data flow architecture within each sRIO priority
  • Configurable for Cut Through or Store And Forward data flow

Product Options

Orderable Part ID Part Status Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Obsolete 324 C No Tray
Obsolete 324 I No Tray

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
CPS-8 Device Errata Errata PDF 56 KB
CPS-8 Datasheet Datasheet PDF 813 KB
User Guides & Manuals
CPS-16/12/8 User Manual Rev 1.5 Manual PDF 1.01 MB
Evaluation SDK 4-1 Quick Start Guide Manual - Software PDF 146 KB
Evaluation SDK 4-1 Manual - Software ZIP 8.28 MB
Application Notes & White Papers
S-RIO Baseband White Paper White Paper PDF 272 KB
Mod Baseband Design Application Note Application Note PDF 312 KB
Baseband Architecture Evolution Application Note Application Note PDF 149 KB
S-RIO Hot Swap Application Note Application Note PDF 168 KB
PDN# : CQ-16-02 Quarter PDN for Declined Market Product Discontinuation Notice PDF 592 KB
PCN# : A1312-05 PCN for Alternate Assembly Product Change Notice PDF 21 KB
CPS-8 RapidFET 3_2_003 Module Software Tool ZIP 84 KB
CPS-8 BSDL Model Rev 1.4 Model - BSDL BSDL 13 KB
CPS-8 slowio IBIS Model Model - IBIS IBS 98 KB
CPS-8 Power Calculator Model - Power Calculator ZIP 10 KB
CPS-16/8 FCBGA 19mm Thermal Package Model - Thermal PDML 15 KB
Supercomputing at the Mobile Edge Overview Overview PDF 991 KB
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB
S-RIO Switch Feature Comparison Chart Product Brief PDF 50 KB
H-Spice Model Access Request Miscellaneous PDF 11 KB
SRIOGen2 System Modeling Tool Product Brief PDF 914 KB
CPS-8 Evaluation Carrier Board Design Schematic ZIP 10.84 MB
CPS-8 Product Brief Product Brief PDF 53 KB