C-MOS differential sense amplifier
US5155397A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1990 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Dec 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C7/062
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A C-MOS sense amplifier capable of detecting voltage differences between the signals applied to its inputs in correspondence with the clock signal transitions. The amplifier has a level converter, a sense circuit and a feedback block which are inactive in a first inactive phase of the clock signal, while in a second active phase, immediately after clock signal transition, the sense amplifier attains the operating point necessary to activate the level converter and the sense circuit. Hence a high positive feedback is started which switches the sense circuit. Finally, after the level transition of a delayed clock signal, the feedback signal generated by the feedback block reduces to zero the dissipation of the whole differential sense amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.