A Parity check is the simplest and least accurate method of checking for errors in a data word.Īs with many of the pages in this section, only 74xx commercial parts are listed below, but 54xx military parts are also available the Part Number Prefix page shows the difference between the commercial temperature ranges and Industrial temperature ranges. Odd parity is indicated when there are a odd number of high bits on the input.Īlso refer to the Definition of Parity, or look up check-sum or CRC using the dictionary links at the top of the page. Even parity is indicated when there are a even number of high bits on the input. The circuit shown is a 9-bit odd/even parity generator/checker. "Z" IC Parity Checker Chips Parity Checker Chip Dictionary of Electronic Terms "A" "B" "C",
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