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Because of the expansion of high performance computing (HPC) and server market, demand for HBM DRAM is increasing. With this market flow, diverse customers require various HBM product families. One customer requirement is full bandwidth with less density. Therefore, this work presents a HBM DRAM, which supports 4, 8, and even 2-hi stacks with full-bandwidth performance. The HBM DRAM adopts a peripheral...
Motivated by a graphics memory system that achieves multiplied bandwidth by the number of memories per system, HBM DRAM adopts a brand new architecture, with many technical changes and challenges. The first main change in the architecture is the stacked memory structure with TSV array, which has independent bandwidth per slice. The second is semi-independent row, column command interface, which enhances...
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