Wide range multiport bitcell
US8971096B2 · kind B2 · utility
35Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2013 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Jul 29, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C8/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multiport bitcell including a pair of cross-coupled inverters is provided with increased write speed and enhanced operating voltage range by the selective isolation of a first one of the cross-coupled inverters from a power supply and ground during a write operation. The write operation occurs through a write port that includes a transmission gate configured to couple a first node driven by the first cross-coupled inverter to a write bit line. A remaining second cross-coupled inverter in the bitcell is configured to drive a second node that couples to a plurality of read ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.