Ruminations on the electronics industry from David Manners, Senior Components Editor on Electronics Weekly.
The Honest Process Guy
Honesty about process technology is as rare as hens’ teeth these days, so ST’s CTO appeared as a refreshing incarnation of truth at ST’s investor day in London yesterday.
Talking about ST’s 28nm and 14nm second source deal with Globalfoundries, Jean-Marc Chery, ST’s CTO, said: “Today what people call 14nm is actually 20nm – it’s the same for everyone.”
For instance, everyone knows that Intel’s 22nm process is actually 26nm – taken from the measure of the gate length.
Similarly ST’s 28nm FD-SOI process is actually a 24nm process measured by gate length.
A 2nm difference in gate length shows Intel’s much-vaunted process lead is not so big as it might appear.
The gate length on ST’s 20nm/14nm process is 18nm.
Interestingly, it transpires that TSMC’s 16nm process was so named because 14 is an unlucky number in Chinese.
So much for science.
, jean marc
, unlucky number
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