8bit comparator from 2-4bit TTL 7485 ? [with Picture]

Discussion in 'General Electronics Chat' started by parkhid, Jan 14, 2011.

  1. parkhid

    Thread Starter New Member

    Dec 20, 2010
    7
    0
    Ever lasting...
    Hi every one :
    By :Following this picture which shows a 8bit comparator with 2 4bit comparator.

    [​IMG]
    what are the cascaded inputs ? and why we should compare 0-3 bits first then 4-7 ?

    ---
    Regards.
    Thanks in advance
     
Loading...