PCI2250 Status: ACTIVE

32-Bit, 33 MHz PCI-to-PCI Bridge, Compact PCI Hot-Swap Friendly, 4-Master

      
         
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 PCI2250
Intel-Compatible Part Number21152ab  
Speed(MHz)33  
Expansion Interface(bits)32  
Hot-SwapFriendly  
Supply Voltage(s)(V)3.3, 5  
Operating Temp Range(Celsius)0 to 70  
Pin/Package160QFP, 176LQFP  
Approx. Price (US$) 6.10 | 1ku  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

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Product Information

Features

  • Configurable for PCI Power Management Interface Specification Revision 1.0 or 1.1 support
  • Compact-PCI friendly silicon as defined in the Compact-PCI Hot Swap Specification
  • 3.3-V core logic with universal PCI interface compatible with 3.3-V and 5-V PCI signaling environments
  • Two 32-bit, 33-MHz PCI buses
  • Provides internal two-tier arbitration for up to four secondary bus masters and supports an external secondary bus arbiter
  • Burst data transfers with pipeline architecture to maximize data throughput in both directions
  • Provides programmable extension windows and port decode options
  • Independent read and write buffers for each direction
  • Provides five secondary PCI clock outputs
  • Predictable latency per PCI Local Bus Specification
  • Propagates bus locking
  • Secondary bus is driven low during reset
  • Provides VGA palette memory and I/O, and subtractive decoding options
  • Advanced submicron, low-power CMOS technology
  • Fully compliant with PCI-to-PCI Bridge Architecture Specification
  • Packaged in 160-pin QFP (PCM) and 176-pin thin QFP (PGF)

Description

The Texas Instruments PCI2250 PCI-to-PCI bridge provides a high performance connection path between two peripheral component interconnect (PCI) buses. Transactions occur between masters on one PCI bus and targets on another PCI bus, and the PCI2250 allows bridged transactions to occur concurrently on both buses. The bridge supports burst-mode transfers to maximize data throughput, and the two bus traffic paths through the bridge act independently.

The PCI2250 bridge is compliant with the PCI Local Bus Specification, and can be used to overcome the electrical loading limits of 10 devices per PCI bus and one PCI device per expansion slot by creating hierarchical buses. The PCI2250 provides two-tier internal arbitration for up to four secondary bus masters and may be implemented with an external secondary PCI bus arbiter.

The PCI2250 provides compact-PCI (CPCI) hot-swap extended capability, which makes it an ideal solution for multifunction compact-PCI cards and adapting single function cards to hot-swap compliance.

The PCI2250 bridge is compliant with the PCI-to-PCI Bridge Specification. It can be configured for positive decoding or subtractive decoding on the primary interface, and provides several additional decode options that make it an ideal bridge to custom PCI applications. Two extension windows are included, and the PCI2250 provides decoding of serial and parallel port addresses.

The PCI2250 is compliant with PCI Power Management Interface Specification Revisions 1.0 and 1.1. Also, the PCI2250 offers PCI CLKRUN bridging support for low-power mobile and docking applications. The PCI2250 has been designed to lead the industry in power conservation. An advanced CMOS process is utilized to achieve low system power consumption while operating at PCI clock rates up to 33 MHz.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
PCI2250PCMACTIVE0 to 706.10 | 1kuQFP (PCM) | 160 View 24 | JEDEC TRAY (10+1) Download CAD Format for this Symbol Download CAD Format for this Footprint
PCI2250PCMG4ACTIVE 6.10 | 1kuQFP (PCM) | 160 View 24 | JEDEC TRAY (10+1) Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
PCI2250PGFACTIVE0 to 706.10 | 1kuLQFP (PGF) | 176  40 | JEDEC TRAY (10+1) Download CAD Format for this Symbol Download CAD Format for this Footprint
PCI2250PGFG4ACTIVE0 to 706.10 | 1kuLQFP (PGF) | 176  40 | JEDEC TRAY (10+1)  

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

  TI Inventory Status Reported Distributor Inventory
PCI2250PCMAs of 11:08 AM GMT, 03 Jul 2009As of 11:08 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 1 Week AmericasArrow 450
 Avnet 9
 DigiKey 215
 Rochester Electronics >1k
 AsiaWPI 138
 EuropeAbacus Polar 48
PCI2250PCMG4As of 11:08 AM GMT, 03 Jul 2009As of 11:08 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 4 Weeks AmericasAvnet 34
 DigiKey  Available
 Mouser Electronics 46
 Newark 24
 Rochester Electronics 48
 EuropeAvnet-SILICA 28
 Farnell 21
PCI2250PGFAs of 11:08 AM GMT, 03 Jul 2009As of 11:08 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 4 Weeks AmericasArrow 215
 DigiKey 118
 Newark 80
 Rochester Electronics >1k
 AsiaWPI 90
 EuropeFarnell 35
PCI2250PGFG4As of 11:08 AM GMT, 03 Jul 2009As of 11:08 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 4 Weeks AmericasDigiKey  Available
View all Distributors  

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
PCI2250PCM  TBD CU  Level-3-220C-168 HRViewView
PCI2250PCMG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
PCI2250PGF RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
PCI2250PGFG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

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