Get 8 Bit Comparator Truth Table Pics. Truth table the truth table followed by the magnitude comparator is shown in figure 2. So we will do things a bit differently here.
magnitude comparator diagram - DriverLayer Search Engine from 2.bp.blogspot.com Below are the truth table and symbol of the comparator. 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. Be the first to review 8 bit comparator with two 4 bit comparator in cascade cancel reply.
If you wish to create a 16 bit magnitude comparator, the other 7485 connects to the least significant byte (lsb).
100% tested for quiescent current at 20 v. H = high voltage level l = low voltage level x = don't care inputs output data pn, qn enable e p = q p=q x p>q p<q l h l l l h h h fig.4 functional diagram. I've already constructed the truth table(see below) and realized that a=b is not needed since its inferred when both a > b & a < b are equal. The upper part of the truth table indicates operation using a single device or devices in a serially expanded application.
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