Method and device for checking the execution of a write command for writing in a memory
US7447080B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Jan 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/349
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for executing a write command for writing a binary word in a programmable memory, comprises writing each of the bits in a programmed state of a binary word to be written in a corresponding memory cell of the memory, reading each bit of the word written in the memory corresponding to a bit in the programmed state of the word to be written, comparing each bit in the programmed state of the word to be written with a corresponding bit read in the memory, and generating an error signal if at least one bit of the word to be written in the programmed state is different from the corresponding bit read. Application of the method can be particularly but not exclusively to integrated circuits for chip cards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.