Semiconductor data storage apparatus
US7475165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2005 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Dec 11, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Production cost for a semiconductor data storage apparatus is significantly reduced by using the same controller to support an external analog module and an internal analog module. In a data processing system, a controller is provided with switching elements composed of fuses. Switching between the external analog module composed of an external power supply circuit, an external power supply monitor circuit, and a clock generator element and the internal analog module composed of an internal power supply circuit, an internal power supply monitor circuit, and a self-excited oscillator circuit is performed by arbitrarily disconnecting the fuses. For example, when an internal power supply voltage Vdd1 generated by the external power supply monitor circuit is supplied to the controller or the like, the fuse is disconnected. Thus, measures can be taken in accordance with a purpose by, e.g., selecting the external analog module when an interleave operation is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.