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Tuesday, November 12, 2024

SRAM scaling isn’t dead after all — TSMC’s 2nm process tech claims major improvements

SRAM scaling came to a screeching halt with the last round of new process nodes, portending a dark future where on-chip memories would become increasingly expensive. However, contrary to what we’ve seen in the past, SRAM scaling apparently isn’t dead after all. 

TSMC has announced that its N2 process technology (2nm-class) offers substantial improvements in performance, power efficiency, and area (PPA) compared to previous-generation nodes. However, there is one more thing that TSMC hasn’t yet publicly discussed: considerably smaller SRAM cells and higher SRAM density (38 Mb/mm^2), which will have an impact on the costs and performance of next-generation CPUs, GPUs, and system-on-chips.  

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