designing a high speed 8 bit full adder/subtractor in one ckt

Discussion in 'The Projects Forum' started by praveen_gundkal, Feb 8, 2008.

  1. praveen_gundkal

    Thread Starter New Member

    Feb 8, 2008
    2
    0
    i have tried it with carry look ahead adder,is there any other way?? i am futher going to draw the layouts for the design of high speed 8 bit add/sub...is there any which can be used with minimum no. of gates
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,137
    1,786
    I remember from Mead & Conway, VLSI Design, 1980, an innovative adder that used multiplexers with a Kill-Propagate Block that was substantially easier than traditional implementations.
     
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