The design and custom CMOS VLSI implementation of a CORDIC SVD processor is presented. Special-purpose parallel processor arrays have many important applications in real-time signal processing. The processor architecture is reviewed and the current CORDIC 2 Control and X,Y Data Path chips are described. The hierarchical design methodology will lead next to a full CORDIC processor followed by a complete CORDIC SVD processor and array.
can be independently configured for a different standard. To maximize flexibility and performance, the chip is designed with leading edge general purpose and fixed function processing elements that are efficiently linked using a central switch and DMA. This SoC offers unprecedented signal processing performance by integrating 5,928Million C-programmable MACs/sec and 6,547Million configurable DSP-accelerator (DSPA) MACs/sec. The C-programmable elements were implemented using three DSP cores each running at 494MHz. The chip contains over 107 million transistors and is implemented in 0.13µm CMOS technology with 6-layer copper metallization. The full chip dissipates 2.7 W in ADSL2+ mode at room temperature.
The advent of sub-micron technology in semiconductor device fabrication has placed a greater emphasis on calibration control of metrology instruments. As device dimensions shrink, accuracy requirements for suck instruments is gaining more importance. This paper will discuss the initial set-up methodolog)' during start-up and the control procedures for routine maintenance of metrology instruments in our advanced submicron wafer fab. A methodical approach to determining systematic error associated with metrology instruments, using the concepts of tool accuracy, gauge repeatability and reproducibility is presented.Start-up and routine monitoring results for certain critical metrology instruments such as ellipsometers, scanning electron microscopes, and particle detectors is presented to illustrate our approach.
Booneville, Miss., Dec. 16th, 1895. "Replying to your favor of the 6th instant, will say that in 1892 we packed about 500 cases of the Jersey Yams, and sold them in Chicago at fair prices. While they are salable, only in certain sections where the natural product cannot be easily obtained, and are, therefore, not very staple. I, from our experience, believe it to be a profitable industry."
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