Computer Science
Scientific paper
Sep 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8118981b&link_type=abstract
Final Contract Report, Apr. - Sep. 1980 Rockwell International Corp., Anaheim, CA. Electronics Systems Group.
Computer Science
Cosmic Rays, Galactic Radiation, Radiation Effects, Random Access Memory, Tiros N Satellite, Error Analysis, Magnetic Storage, Storage Stability, Tolerances (Mechanics)
Scientific paper
An experimental and analytical study was performed on the impact of galactic cosmic rays on the TIROS-N satellite memory in orbit. Comparisons were made of systems equipped with the Harris HMI-6508 1 x 1024 CMOS/bulk RAM and the RCA CDP-1821 1 x 1024 bit CMOS/SOS RAM. Based upon the experimental results, estimated bit error rates were determined. These were at least 8.0 bit errors/day for a 300 kilobit memory with the HMI-6508 and .014 bit errors/day with the CDF-1821. It was also estimated that the HMI-6508 latchup rate in orbit is at least two orders of magnitude less than the bit error rates; the CDP-1821 will not latchup.
Blandford T. Jr. J.
Pickel Jim C.
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