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Not to be pedantic but wouldn't stacking transistors have no effect on density per square inch? Since it would only increase density per cubic inch.
by valianteffort 3y ago
Not to be pedantic but wouldn't stacking transistors have no effect on density per square inch? Since it would only increase density per cubic inch.
- bushbaba 3y agoI view it as if you cut 1 square inch of a motherboard. That the every 2 years you’d expect to see roughly double the number of transistors in that cut out piece. Scaling vertically would “technically” still meet the above.
- fnordpiglet 3y agoI don’t think that’s what they mean by per square inch. They mean in a plane, not a volume. If you add a third dimension the law stays the same, because a volume is two planes and the density law applies to each independently. That’s why node sizes are a single value not a two dimensional value. A 3nm node is 3nm feature sizes, regardless of dimensionality.
- bee_rider 3y agoThe quote given on Wikipedia is: > The complexity for minimum component costs has increased at a rate of roughly a factor of two per year. Certainly over the short term this rate can be expected to continue, if not to increase. Over the longer term, the rate of increase is a bit more uncertain, although there is no reason to believe it will not remain nearly constant for at least 10 years. If he was talking about the area of a single transistor, there would be more concise ways to put it.
- quickthrower2 3y agoEven a 1000ft thick motherboard?
- qup 3y agoThat'll show Moore
- quickthrower2 3y agoMore’s law: if there is more of it, it does more!
- reaperman 3y agoStacking transistors increases density per square inch if it can be done on a single wafer of silicon, because its "per square inch of fab wafer silicon"
- bee_rider 3y agoWe include multi-story buildings when we calculate population density, why not include multi-story chips?