Optimally partitioned regenerative carry lookahead adder
US4737926A · kind A · utility
27Cited by
4References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 21, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Jan 21, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/508
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved scheme for generating a carry lookahead is described. An irregular grouping, wherein large bit groups are used in the middle and shorter bit groups are used at the ends, provides for a reduction in carry propagation delay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.