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7485查看　7485　在百度字典中的解释百度英翻中〔查看〕
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  • IC 7485 truth table - Electrical Engineering Stack Exchange
    The cascading inputs come from the outputs of another 7485 If you wish to create a 16 bit magnitude comparator, the other 7485 connects to the least significant byte (LSB) As for the last line of the truth table, the outputs indicate that the 'A' inputs are simultaneously greater and less than the 'B' inputs, which is contradictory
  • circuit design - Comparison of two numbers of different length . . .
    I want to design a circuit at block level using IC 7485 to compare one 6 bit number with another 5 bit number My approach is: Put the most significant bits into the four 7485 comparator inputs The 5-bit number will be extended to 6 bits, with the new bit 6 connected to GND
  • circuit design - 5bit signed magnitude comparator - Electrical . . .
    I came here looking for the solution to this problem myself, and then realised the answer With a normal binary comparator, all bits have a positive assigned value, bit 0 is 1, bit 1 is 2, etc
  • Rs485 A B Labels being used inconsistently
    I would like to know if there is an official standard with regards to rs-485 terminals being labelled A amp; B I have always believed: A= gt; + (positive) and B= gt; - (negative) however, I have





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