The Tsi381 provides a high performance, small footprint bridge from single lane PCI Express to 32 bit PCI. The device's PCI interface can operate up to 66 MHz. Three types of addressing modes are supported; transparent, opaque and non-transparent, giving designers flexibility.


  • PCI Express (x1) to PCI forward bridge
  • Superior performance, low latency
  • Non-transparent bridging support
  • No power sequencing restrictions
  • Industrial operating temperature
  • Available in 13x13mm 144 BGA

Product Options

Orderable Part ID Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Active CABGA 144 I No Tray
Active CABGA 144 I Yes Tray

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
Tsi381 Feature Sheet Datasheet PDF 181 KB
Tsi381 Device Errata Errata PDF 36 KB
User Guides & Manuals
Tsi381 User Manual Manual PDF 1.96 MB
PCI Express Browser Rev 5.0.2 User Manual Manual PDF 2.56 MB
Tsi381 Board Design Guidelines Guide PDF 551 KB
PCI Express Browser Rev 5.0.2 Linux Installation Software Tool GZ 30.49 MB
PCI Express Browser Rev 5.0.2 Windows Installation - Digitally Signed Software Tool ZIP 104.57 MB
PCI Express Browser Rev 5.0.2 Windows Installation Software Tool ZIP 54.45 MB
Tsi381 BSDL File Model - BSDL TXT 25 KB
Tsi381 IBIS Model - 5V PCI Model - IBIS ZIP 49 KB
Tsi381 IBIS Model Model - IBIS ZIP 51 KB
PCI Express® Gen2/Gen3 Signal Integrity, Switching and Bridging Products Overview Overview PDF 422 KB
Tsi381 Design Notes Misc PDF 30 KB
Performance Comparison of Tsi381 and TI XIO20000A Misc PDF 210 KB
Tsi381 Ballmap Pinlist - Ballmap Files PDF 20 KB
Performance Comparison of Tsi381 and Pericom PI7C9X110 Misc PDF 80 KB
Performance Comparison of Tsi381 and PLX PEX8111 Misc PDF 843 KB
Converting Designs from PLX PEX8111,PEX8112 to Tsi381 Misc PDF 43 KB
Tsi381 Pinlist Pinlist - Ballmap Files TXT 3 KB
Tsi381,Tsi382 Arbiter Extension CPLD Code and Application Note Misc ZIP 47 KB

Boards & Kits

Part Number Title Type Company
TSI381-RDK1 Evaluation Board SDK for the Tsi381