| 摘要 |
<p>A fast adder chain, of a type intended for adding together at least one pair of digital words (X,Y) and comprising a plurality of cascaded adder blocks, has in each block (2) computation means (HA,FA) for obtaining the pseudosum of portions of said digital word pair (X,Y) and means (10,11) for storing and transmitting the pseudosum (SOMi) to the next block and the pseudocarry (Ci) from each pseudosum to the chain end. <IMAGE></p> |
