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GSA Fabless Facts

Why Fabless?

Semiconductor companies have adopted a manufacturing outsourcing strategy for many of the same reasons that other industries have evolved to outsourcing operations considered beyond their forte. The outsourcing of silicon wafers allows semiconductor companies to focus on the design and marketing of its product without the burden of building, operating and upgrading a manufacturing facility.

As the cost of building a wafer fab and maintenance of leading-edge process technology escalates, the fabless model is an attractive long-term option for many semiconductor companies. By adopting a fabless business strategy, a company can focus time and resources on the design of innovative integrated circuits, while avoiding the high cost of operating an internal fabrication facility.

This approach has proven highly successful. The fabless segment has exceeded the growth of the overall semiconductor market by nearly double. Success can also be measured by the creation of leading fabless companies in the 3D graphics, programmable logic and communications markets, among others.

With the widespread availability of leading-edge technology from independent wafer foundries, many IDMs are also adopting a more fabless approach by outsourcing a portion of their manufacturing.

Fab-lite Companies Transition Status
Conexant Sold all fabs
Sematech Sold all fabs
Intersil Only Bi-CMOS fabs
Agere Plans to sell all fabs.
Today they outsource 33%
Zarlink Only bipolar fabs
AMCC Sold all fabs

Hybrid IDM Partnership(s) Announced Outsourcing %
(Current or Planned)
AMD 50% stake in UMC
fab/IBM relationship
Fabless by 2007
Infineon 30% stake in UMC fab 50%
TI Dongbu and SMIC 40%
STMicro TSMC  
Motorola TSMC 50%
Oki UMC  
LSI Logic TSMC 50%
Winbond   20% from 5%
Toshiba   40% from 7%
Philips TSMC (19% stake) 50% by 2008, up from 10% today
Cypress   25% today
National   20% today
Atmel   50% by 2010
Zilog   Consolidating fabs
TSMC IC Foundry Almanac GSA & IET International Semiconductor Forum Silicon Series Luncheon - May 4 GSA Profile Directories
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