Which CPLD packaging technology accommodates the highest pin count within a compact footprint ?
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Answer: D. BGA
Explanation
Ball Grid Array packaging utilizes the entire bottom surface for connection pins, accommodating the highest pin count in a compact footprint. Replacing peripheral leads with an array of solder balls underneath the chip carrier maximizes available mounting space for high-density integrated circuits. This underside grid arrangement drastically shortens electrical connection paths while supporting hundreds of input and output terminals successfully. Integrated circuit packaging protects delicate silicon dies and provides physical electrical interfaces for mounting chips onto printed circuit boards. High-density programmable logic devices require advanced packaging technologies to handle massive input-output pin counts without expanding board dimensions. Surface mount technology relies on robust solder joint formations to ensure mechanical stability and reliable electrical connectivity under thermal stress.
Plastic Leaded Chip Carrier packaging restricts connection leads to the package perimeter, limiting maximum pin count compared to surface arrays. Quad Flat Package designs place pins along all four edges of the component, which creates larger physical footprints for high pin-count devices. Pin Grid Array packaging uses protruding metal pins underneath the package, which is traditionally common in sockets rather than dense surface mounts.
- Subject
- Engineering
- Category
- Electrical Engineering
- Topic
- —
- Difficulty
- medium
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