Automatic bias circuit for sense amplifier
US7564295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jun 27, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C5/147
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a bias circuit for a sense amplifier having a device under sensing, the device under sensing having an un-programmed state and a programmed state, the bias circuit comprises at least one first branch having at least one first device formed substantially the same as the device under sensing and remaining in the un-programmed state, and at least one second device formed also substantially the same as the device under sensing and being in the programmed state, wherein the at least one first device and the at least one second device are serially connected. A typical application of the present invention is an electrical fuse memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.