A 381 fs/bit, 51.7 nW/bit nearest hamming-distance search circuit in 65 nm CMOS

A 381 fs/bit, 51.7 nW/bit nearest hamming-distance search circuit in 65 nm CMOS

The developed fully-parallel associative memory in 65nm CMOS for nearest Hamming-distance search is based on distance-frequency mapping with ring oscillators. The largest reference-data capacity of 128 pattern with 512 bit each, the shortest minimum search time of 3.81·10 -13 s/bit and the lowest po...

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Bibliographische Detailangaben
Hauptverfasser: Mattausch, H. J., Yasuda, M., Kawabata, A., Imafuku, W., Koide, T.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Associative memory
Delay
Frequency conversion
Power dissipation
Registers
Ring oscillators
Very large scale integration
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Beschreibung
Zusammenfassung:The developed fully-parallel associative memory in 65nm CMOS for nearest Hamming-distance search is based on distance-frequency mapping with ring oscillators. The largest reference-data capacity of 128 pattern with 512 bit each, the shortest minimum search time of 3.81·10 -13 s/bit and the lowest power dissipation of 5.17·10 -8 W/bit in comparison to previous designs are reported. In particular, the power-delay product of 1.97·10 -20 J/bit is improved by a factor 140.
ISSN:2158-5601
2158-5636