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Common questions from engineers and buyers evaluating this part.
The 21154-AB is a PCI bus controller used to manage communication between the CPU and peripheral devices on a PCI bus. It enables data transfer and control signals in computer systems.
The 21154-AB comes in a plastic ball grid array (BGA) package with 304 terminals, specifically a BGA304, 23x23, 50 package.
The 21154-AB is discontinued. It is no longer in production, but you can still find it through distributors or consider replacements.
Commercial availability, condition, packaging and traceability are confirmed against your exact requirement through RFQ.
Submit any listed MPN for current sourcing, lifecycle and compliance review.
