Half width counting leading zero circuit using comparators
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United States of America Patent
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Feb 10, 2015
Grant Date -
Dec 12, 2013
app pub date -
Jun 6, 2012
filing date -
Jun 6, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An approach for determining a value representing the number of leading zero count value in a binary input data word, is described. The binary input data word contains random data. The binary input data word is logically divided into odd and even bit positions. The approach includes a first comparator circuit for comparing data in the odd bit positions to data in the even bit positions. The approach further includes a second comparator circuit for comparing the data in the odd bit positions to a result of a logical operation performed on the data in the odd and even bit positions. The approach further includes a half-width leading zero counting circuit that provides a value representing the number of leading zero bits in the binary input data word.
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