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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 307 records · Page 17

High-performance low-power CMOS memories using silicon-on-sapphire technology.

MOS/silicon-on-sapphire (SOS) technology is shown to permit the realization of large-scale integrated arrays that combine the best features of monolithic bipolar and MOS technologies. The perfect isolation and reduced capacitance of SOS technology make possible static MOS circuits with nearly an order-of-magnitude improvement in speed and dynamic power dissipation over their monolithic counterparts. CMOS/SOS memory arrays have been fabricated with speeds comparable to TTL bipolar memory arrays even when operated at TTL compatible levels. Quiescent power dissipation of two described arrays is typically less than 1 microwatt/bit. The SOS/MOS technology is compatible with both aluminum and self-aligned silicon-gate processing.

Boleky, E. J.↗

CMOS array design automation techniques

A low cost, quick turnaround technique for generating custom metal oxide semiconductor arrays using the standard cell approach was developed, implemented, tested and validated. Basic cell design topology and guidelines are defined based on an extensive analysis that includes circuit, layout, process, array topology and required performance considerations particularly high circuit speed.

Ramondetta, P.↗

Prediction and measurement results of radiation damage to CMOS devices on board spacecraft

All the currently available results of the flight experiment for all the individually instrumented 130 transistors, relating to both biased and unbiased n- and p-channel RCA and -channel AMI devices were presented. The predictions of dose levels based on a detailed analysis of the space radiation environment as encountered by Explorer-55 and calculated by one dimensional slab geometry, and three dimensional spherical geometry were cited.

Stassinopoulos, E. G.↗