This paper reports a single 8. 2" by 8.4mm, 200,000 transistor CMOS chip implementation of the Reed Solomon code required by the Space Telescope. The chip features a 10 MH5 sustained byte rate independent of error pattern. The 1.6pmCMOS integrated circuit has complete decoder and encoder functions and uses a single data/system clock. Block lengths up to 266 bytes as well as shortened codes are supported with no external buffering. Erasure correct ions as well as random error corrections are supported with programmable correction of up to 10 symbol errors. Correction time is independent of error pattern and the number of errors.
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