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SiliconAsia
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re: TSMC says single-customer fabs make sense
SiliconAsia   7/27/2012 3:35:38 PM
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For older technologies, it was easy to keep a 2nd source but for advanced nodes from 28, it does not make sense for many fabless companies to keep a 2nd source due to economical reason. Cost of engineering resources and NRE will easily add up to multi-million dollars per project.

resistion
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re: TSMC says single-customer fabs make sense
resistion   7/27/2012 7:54:18 AM
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Single customer fab must have that customer sign exclusive foundry agreement. After dedicating a fab, to have them go elsewhere is catastrophic.

HS_SemiPro
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re: TSMC says single-customer fabs make sense
HS_SemiPro   7/27/2012 6:32:14 AM
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I think that Samsung's Austin FAB makes chips for Apple. I have heard about use it or lose it, but customers doesn't like the idea. They don't want to put down the capital. Specially when they can choose between TSMC, GF, UMC & Samsung. It always makes sense to keep a 2nd source.

m00nshine
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re: TSMC says single-customer fabs make sense
m00nshine   7/27/2012 2:27:34 AM
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I think this is not new idea. Back in 2011 it was widely rumored that samsung was building apple's chips at a dedicated fab in the US, so a single customer fab may already exist, and trying to copy samsung may be what put the idea into Morris Chang head.

research90
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re: TSMC says single-customer fabs make sense
research90   7/26/2012 7:53:46 PM
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Like in all business, TSMC needs to plan its capacity according to customers' and its own forecast. The good thing about foundry model is each individual customer does not need to forecast accurately as long as the foundry can forecast a rough aggregate demand to plan for its expansion. In this model, customers don't need to risk any capital. The foundry is taking all the financial risk for building the fab because it believes (with some customer inputs) the demand will be there when the fab is on line 18 months after fab construction. Qualcomm complains TSMC didn't have enough capacity when it couldn't forecast the demand of its own business. TSMC of course can commit a whole foundry to one customer as long as that customer commits up front to buy, say 90% of the capacity, lots of wafers over 3 or more years. Or, the customer can chip in part or all of the fab cost. The fab will only use the fab equipments for its own designs, instead of meeting the needs for 20 other customers. The benefit is better process optimization of the processes, lower cost of the fab, and faster to production. The whole idea is simple. The issue is if there will be any customer willing to commit up front for TSMC to remove that fab the chance to make any profit from other customers.

SiliconAsia
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re: TSMC says single-customer fabs make sense
SiliconAsia   7/26/2012 3:43:07 PM
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Foundries have been doing this for eons. The process(es) which they offered to big customers are optimized to their so called spec. Adjustments gets done everyday and every products. so this is no new news.

junko.yoshida
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re: TSMC says single-customer fabs make sense
junko.yoshida   7/26/2012 3:06:35 PM
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Exactly. Agree with your thoughts here, grzy. This, to me, is almost going back to the future. If a big chip company like Qualcomm wants its own fab, they should build their own fab. Period. But by putting this idea into Morris Chang's head, they are making this TSMC's problem. (fab utilization fluctuation, optimization/customization of a process techonlogy, etc.)

BigBundy
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re: TSMC says single-customer fabs make sense
BigBundy   7/26/2012 2:47:28 PM
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I agree with peter.clarke. Whow knows who forced and who gave Morris Chang such idea to think that single customer fab would be benefitial. I strongly believe that Apple and/or Qualcomm had their word in it. Other thing to note is that TMSC runs this monopoly of the chip manufacturing pretty much, so they can do whatever they want. Whow are they going to lose their business from?

Peter Clarke
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re: TSMC says single-customer fabs make sense
Peter Clarke   7/26/2012 10:45:23 AM
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Of course it may be that Apple is saying a dedicated fab along the lines mentioned by DMcCunney is part of the terms of conditions of making Apple processors. And that is what is putting some of these thoughts to top-of-mind with Morris Chang.

DMcCunney
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re: TSMC says single-customer fabs make sense
DMcCunney   7/26/2012 12:33:34 AM
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Whether it make sense depends upon the details of the deal. For the customer, the question is "Can we get enough components to meet our production requirements?" No one wants to leave money on the table because they simply can't build as many devices as their customers want to buy. For TMSC, the question is "Can we in fact meet the customer's needs?" Depending upon the volume the customer requires, the answer may be "Yes, if we dedicate a fab to them." The question is what "dedicated" means. Current leading edge fabs are fantastically expensive, to the point where very few companies have their own. And the only way you make money is to have the fab producing in volume all the time. So if I'm TMSC, I'm deciding whether to dedicate a fab, and which fab to dedicate, based on the customer order. It would have to be a hard commitment by someone like Apple to get me to do it. And even then, "dedicated" in practice will mean "The customer has first dibs on capacity, and the fab will meet their orders before it does anything else. But if the fab has any leftover capacity *after* filling the customer's order, it will be allocated to other production. It is too expensive to have any capacity idle." I think a joint venture where a major customer like Apple puts up a chunk of the financing needed to *build* a fab is a possibility, if volume demands are great enough a new fab has to be built. But initially, I see this as simply a way of allocating existing capacity to reassure major customers that they'll get what they order. If I were TMSC, I'd think very hard about whether I'd do a joint venture to build new capacity, and leave myself that indebted to that customer. If the volume I'm handling is great enough I *need* to expand, I might decide I could do so on my own.

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