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TSMC revealing details about next gen A14 node

129 points · 56 comments · osnium123

  1. aurareturn · · focus · HN ↗
    Chip density increase is slowing down. Since N10, density scaling has been 60-80%. N3 to N2 is only 20%. And now N2 to A14 is also only 20%.
    1. georgeburdell · · focus · HN ↗
      A lot of that is the lack of SRAM scaling. There’s still quite a bit of improvements in the back end (metal traces). That aside, if foundries adopted say a 1T-1C SRAM we’d see a pretty rapid density doubling
      1. smallmancontrov · · focus · HN ↗
        Is 1T1C SRAM a technological thing or does it mean "persuade designers to use DRAM in the many cases where the retention contract could be timeboxed with a bit of extra thought and cross-team haggling"?
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