NM27C520 512K EPROM integrates an 8-bit address latch on the chip and fits into a single 20-pin, Small Outline Integrated Circuit package. The board-space requirement is reduced to about one-sixth of what is required for a standard 512K EPROM footprint, and a latch circuit eliminates the need for a second chip on board. Data sheets describe the product and its features. A functional product description and charts on programming and electrical characteristics are also included.
Fairchild Semiconductor, 333 Western Ave., South Portland, ME 04106.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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