Resonant logic and the implementation of low power digital integrated circuits
US6559681B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Sep 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/063
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for operating logic circuitry with recycled energy. Logic circuitry is used which has a node for storing energy and a return node that is connected to energy storage circuitry. The logic circuitry operates, using energy stored on the node, to determine a logic output based on a logic input during a first phase. The energy storage circuitry capture a portion of the stored energy during the operation of the logic circuitry and transfers a portion of the captured energy back to the node during a second phase. In one embodiment, the logic circuitry and the energy storage circuitry form a resonant circuit and the logic circuitry operates synchronously to a clock. In another embodiment, the energy storage circuitry includes a resonant circuit configured to oscillate with a determinable period. The resonant circuit is tunable so that its oscillations can be synchronized to a clock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.