Typical Configurations
Two widely used configurations exist for PoP:
- Pure memory stacking: two or more memory only packages are stacked on each other
- Mixed logic-memory stacking: logic (CPU) package on the bottom, memory package on top. For example, the bottom could be an application processor for a mobile phone. The logic package is on the bottom because it needs many more BGA connections to the motherboard.
Read more about this topic: Package On Package
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