By: Doug S (foo.delete@this.bar.bar), March 27, 2021 5:14 pm
Room: Moderated Discussions
blue (blue.delete@this.blue.com) on March 27, 2021 10:16 am wrote:
> Doug S (foo.delete@this.bar.bar) on March 26, 2021 9:43 am wrote:
> >
> > What, you think TSMC will use the same equipment for 3nm that they are using
> > for 5nm, and the same equipment for 2nm that they are using for 3nm?
> >
> > Intel might want to 'recycle' some equipment since they don't keep old nodes around, but TSMC keeps
> > old nodes around forever so they need new equipment for every node.
>
> Pretty sure TSMC 10nm died and tools were moved once Apple left it?
>
> I don't think you're wrong. Just that TSMC has retired at least one node in the past few years.
There have been a couple nodes that they designated as "short lived" - 20nm and 10nm IIRC. They haven't done so for any EUV nodes yet, and obviously they have to designate them as such ahead of time so customers who want to be able to source wafers for a particular design for a long time will know which nodes are and are not appropriate to target for that design.
> Doug S (foo.delete@this.bar.bar) on March 26, 2021 9:43 am wrote:
> >
> > What, you think TSMC will use the same equipment for 3nm that they are using
> > for 5nm, and the same equipment for 2nm that they are using for 3nm?
> >
> > Intel might want to 'recycle' some equipment since they don't keep old nodes around, but TSMC keeps
> > old nodes around forever so they need new equipment for every node.
>
> Pretty sure TSMC 10nm died and tools were moved once Apple left it?
>
> I don't think you're wrong. Just that TSMC has retired at least one node in the past few years.
There have been a couple nodes that they designated as "short lived" - 20nm and 10nm IIRC. They haven't done so for any EUV nodes yet, and obviously they have to designate them as such ahead of time so customers who want to be able to source wafers for a particular design for a long time will know which nodes are and are not appropriate to target for that design.
