One-time programming in reprogrammable memory
US9823860B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Oct 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2013/0083
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portion of a reprogrammable storage device is used to implement permanent data storage. The storage device includes a plurality of electrically erasable memory elements and a controller. The plurality of electrically erasable memory elements are configured to store data. Each memory element is programmable a number of write cycles before reaching a write failure state. The controller is coupled to the plurality of memory elements. The controller includes a receiver and a write engine. The receiver receives an instruction to drive a selected memory element to the write failure state. The write engine repeatedly writes a data value, in a plurality of write operations, to the selected memory element until the write failure state of the selected memory element is established.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.