Apparatus and method for comparing digital words using a last bit detection operation
US6121871A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Mar 1, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A circuit for comparing two digital words has a set of bit compare circuits that generate a set of compare signals. Each bit compare circuit receives a first bit from a first digital word and a corresponding bit from a second digital word and generates one compare signal that indicates a match between the first bit and the corresponding bit. In response to the set of compare signals, a composite match detector circuit generates a composite match signal. A last bit detector circuit generates a last bit signal that indicates a match between a last bit from the first digital word and a last bit from the second digital word. When the last bit signal is received, a match hit generator circuit generates a match hit signal based on the composite match signal and the last bit signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.