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LongRun2 Technologies enable semiconductor designers to better utilize the advantages gained by moving designs to finer process geometries. LongRun2 Technologies can help designers improve yield distributions, reduce active power and minimize standby power. LongRun2 Technologies can also facilitate migration of SOI based designs to bulk CMOS.
Improve Yield Distributions |
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Reduce Standby Power |
As lithography geometries shrink, the amount of variation within the manufacturing process is growing rapidly. These expanding variations of transistor speed and power result in a far wider distribution encountered during manufacturing than ever before. As these distributions widen, it becomes impractical to achieve the high yields necessary for low cost. As a result, companies are forced to accept higher cost parts (by accepting yield loss), or reduced specifications (by widening the allowed range to keep cost down). LongRun2 Technologies provide a practical way to tighten the manufacturing distribution through dynamic process compensation after manufacture, as well as synergistic circuit and process techniques.
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Standby power is a lower power state used when the device is idle. Standby power is primarily set by leakage power since switching power is minimal in this state. LongRun2 Technologies provide unique semiconductor structures, algorithms and advanced circuits that can be used to dynamically tune the transistors to minimize leakage in the standby state. In addition, innovations in LongRun2 Technologies may help reduce minimum operating voltage, which can also improve standby power. Using these techniques, LongRun2 can be a solution to improve battery life for sensitive mobile applications.
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Reduce Active Power |
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SOI to Bulk Conversion |
| Active power is the amount of power a semiconductor device consumes during operation. Active power is a combination of dynamic (or "switching") power and leakage power. While the leakage component was negligible in the 130nm generation and before, it is exponentially increasing and is a significant component of power in 90nm and beyond. LongRun2 Technologies can be used to reduce both the worst case active power as well as the nominal or average power consumption. |
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Transmeta has developed patented semiconductor structures that allow designers to transform an SOI-based design into a bulk Silicon-based design far more quickly and easily than with conventional approaches. Using these techniques, often re-layout of the chip can be minimized or eliminated, reducing time-to-market and design cost. Furthermore, these converted designs offer all the other advantages of LongRun2 Technologies, including better yield distributions as well as lower power |
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